PVC Shelf Label Strip Extrusion Line — Transparent Price Tag Profile Production

The Retail Label That Sells Itself — Why Transparent PVC Shelf Strips Are Everywhere

Walk through any supermarket on any continent, and the pattern is identical. Along every shelf edge runs a thin, transparent PVC strip. Behind it sits a printed paper label announcing the product, the price, the price-per-unit, the promotion. Shoppers absorb this information in a fraction of a second. Retailers update it daily. The strip itself — the clear PVC shelf edge label holder — is the silent workhorse of the modern store.

The scale is enormous. A single hypermarket operates 10,000-30,000 linear meters of shelf edge. A national retail chain with 500 stores holds millions of meters of label strip in service and in warehouse rotation. Globally, the annual consumption of transparent PVC shelf label strips, price tag holders, and data clip tag holders is measured in billions of meters. The material demand is steady, predictable, and growing with every new retail store, every store renovation, and every retail chain's decision to standardize its shelf-edge signage.

Why PVC? Because no other material matches its combination of properties for this application:

• Optical clarity: Transparent soft PVC compounds achieve 88-92% light transmission with low haze — the printed label behind the strip is fully legible at arm's length.

• Flexibility with memory: Soft PVC strips bend around shelf edge curves and spring back to shape, holding the label in place without adhesive.

• Tear and puncture resistance: Labels are changed by sliding a paper card in and out of the channel — the strip must survive thousands of insertions over its service life.

• Flame retardance: PVC is inherently flame-retardant (LOI 45-50), an important safety property for retail environments.

• Cost: Soft PVC compound prices are competitive against polycarbonate, acrylic, and other transparent engineering plastics.

For the retailer, buying finished label strips from a distributor is simple — but expensive. Typical distributor pricing for transparent PVC shelf edge label strips runs 1,200-1,800/ton producing roughly 4,000-5,000 meters of strip per ton, the in-house production cost drops to $0.05-0.15 per meter — a 50-70% reduction versus distributor pricing.

This is the opportunity the Chenxing PVC Shelf Label Strip Extrusion Line addresses: a complete, turnkey production system that takes PVC granules in and delivers finished transparent shelf edge label strips, price tag holders, and data clip tag holders out — with the precision, stability, and output to supply retail chains at industrial scale.

Twin Extruders, One Clear Profile — Co-Extrusion Explained

Why Two Extruders for a Simple Strip?

A casual observer might ask: a shelf label strip is a thin, hollow or channel-section PVC profile — why does it need a production line with two extruders? The answer lies in the word "co-extrusion," and the 2-layer structure of the finished product.

A typical shelf edge label strip is a channel-section profile: a flat front face that holds the printed label, with a double-wall channel at the rear that clips onto the shelf edge. In the most common premium design, the profile is co-extruded in two layers:

• Layer 1 (main body, transparent): The bulk of the profile — the label-holding face and the channel structure — extruded from high-clarity transparent soft PVC compound by the main extruder.

• Layer 2 (functional or decorative): A thin surface layer co-extruded over the main body by the co-extruder. This layer can be a colored PVC compound for a tinted strip, a UV-stabilized compound for extended outdoor display life, a softer compound for improved grip on the shelf edge, or a harder compound for enhanced scratch resistance.

Co-extrusion in a single pass eliminates the secondary lamination or coating step that a single-layer line would require. The two layers are bonded at the molecular level inside the co-extrusion die — no adhesive, no delamination risk, no second machine, no second heating cycle. The result is a premium product with a clean visual appearance — a transparent body with a crisp colored edge — produced at single-line speed.

The Co-Extrusion Die: Where Two Melts Become One

In the Chenxing line, the two SJ55/25 single-screw extruders melt and plasticize their respective PVC compounds independently. Each extruder delivers its melt stream to the co-extrusion die — a custom-machined tool that guides both melt streams through separate flow channels to a combining zone, where they meet and bond just before the die exit. The layer distribution is controlled by:

• Relative screw speeds of the two extruders — adjusting the ratio changes the thickness of each layer.

• Die flow channel geometry — the die is machined so that melt flow velocity is uniform across the profile cross-section, preventing thin spots or thick edges in either layer.

• Melt temperature matching — both melts must reach the die at compatible temperatures for clean bonding; a temperature mismatch produces a visible weld line or poor interlayer adhesion.

Because the die geometry is custom-machined for each profile design, the same line can be converted to a different label strip profile — or an entirely different small PVC profile — by changing the die. This one-line-many-profiles flexibility is one of the line's strongest investment arguments.

Why Soft PVC Demands Precision Temperature Control

Soft (plasticized) PVC is among the most temperature-sensitive polymers in extrusion. Its processing window is narrow — typically 170-190°C for transparent compounds — and the consequences of deviating from it are severe:

• Below 170°C: The compound does not fully fuse. The extrudate emerges rough, cloudy, and mechanically weak. Gel particles from incomplete fusion appear as white specks in the transparent profile.

• Above 190-195°C: Thermal degradation accelerates sharply. PVC begins to dehydrochlorinate — releasing hydrogen chloride and forming conjugated polyene sequences that color the polymer yellow, then brown, then black. A transparent profile that yellows is rejected outright by the customer.

Compounding the challenge, the degradation is self-catalytic: the released HCl accelerates further degradation, so a brief over-temperature excursion can ruin an entire production run. The temperature setpoints must also account for shear heating — the mechanical work of the screw adds heat to the melt, so the barrel heater setpoints must be tuned 10-20°C below the final melt temperature to avoid overshoot.

This is why the Chenxing line specifies imported brand temperature control instruments with ±2°C accuracy on every heating zone, paired with Siemens contactors for reliable heater switching. Zone-by-zone temperature monitoring — feed zone, compression zone, metering zone, die — gives the operator full visibility into the thermal profile of the melt. For transparent soft PVC, temperature control is not a convenience. It is the difference between a profitable run of crystal-clear strip and a scrap bin full of yellowed, hazy rejects.

CX-PVC Label Line — Complete Configuration & Technical Data

Complete Line Configuration (9 Stations)

Basic Technical Data

Model Selection by Target Capacity

Key Advantages of the Chenxing PVC Label Strip Line

1. Dual-Extruder Co-Extrusion for 2-Layer Profiles

• Feature: The line is built around two SJ55/25 single-screw extruders working in parallel — a main extruder plasticizing the transparent body layer and a co-extruder plasticizing the second functional layer. Both melt streams converge in a custom co-extrusion die, producing a single 2-layer profile in one pass.

• Advantage: A single-layer line can only produce a monochrome profile. Adding a second color, a UV-stabilized layer, or a different-durometer surface requires a separate lamination, coating, or over-extrusion process. Co-extrusion eliminates every one of those secondary steps — the layers bond inside the die at melt temperature, with no adhesive, no additional heating cycle, and no delamination risk over the product's service life.

• Benefit: One line produces a premium two-layer product — a transparent body with a crisp colored edge, or a soft interior with a hard, scratch-resistant surface — that commands higher pricing per meter and wins retail chain contracts. The manufacturer saves the equipment cost, floor space, labor, and energy of a secondary process line, and delivers a better-looking product in a single pass.

2. VFD Start with Wide Speed Range — Gentle on Soft PVC, Fast on Changeover

• Feature: Both extruders use frequency conversion (VFD) starting via ABB inverters, with soft start, controlled acceleration, and a wide screw speed adjustment range.

• Advantage: Soft PVC is shear-sensitive. A direct-on-line start slams the screw to full speed in a fraction of a second, delivering a burst of shear energy into cold compound — a recipe for localized overheating and degradation at start-up. VFD start ramps the screw up smoothly, keeping shear heat within safe limits during the warm-up phase. In production, the wide speed range means the operator can fine-tune screw speed to match compound viscosity, profile wall thickness, and haul-off speed — rather than accepting whatever the motor's fixed speed delivers.

• Benefit: No start-up scorching, no yellowing of the first meters of every run, and rapid, predictable changeover between products. A line that changes from a thin label strip to a thicker hanging strip simply dials the VFD to the new screw speed — the batch-to-batch color and clarity stay consistent because the thermal history of the melt is controlled at every speed.

3. Imported Temperature Controllers — The Insurance Policy for Transparency

• Feature: Every heating zone on the barrels, adapters, and die is governed by an imported brand temperature control instrument with ±2°C accuracy, switched by Siemens contactors.

• Advantage: Transparent soft PVC lives or dies by temperature. At 170°C the compound fuses but may haze; at 195°C it yellows irreversibly; in between, the window is only 20°C wide. Off-the-shelf controllers with ±5-10°C swing are simply incapable of holding a transparent PVC profile inside this window. Imported instruments with tight deadbands and fast response hold each zone within ±2°C of setpoint, run after run.

• Benefit: Every meter of strip leaves the line with the same clarity, the same color, the same dimensional stability. The customer's quality control department approves the first sample and the ten-thousandth meter without argument. Reject rates for color and haze issues drop to near zero, which is what makes the line's economics work at scale.

4. 3-Meter Stainless Vacuum Calibration Tank — Dimensionally Perfect from the First Meter

• Feature: The soft profile exits the die into a 3-meter stainless steel vacuum calibration tank, where vacuum slots hold the hot profile against precision-machined calibration dies while water circulates for cooling.

• Advantage: Soft PVC emerges from the die at 170-190°C with near-zero rigidity — without calibration it would slump, distort, and shrink irregularly as it cools. The vacuum tank holds the profile in intimate contact with the calibration tooling across its full 3-meter length, locking in the cross-section dimensions while the water jacket extracts heat progressively. The 3-meter length matters: it provides sufficient residence time to cool the profile below its distortion temperature before the haul-off grips it.

• Benefit: The finished strip snaps onto the shelf edge with a precise, consistent fit — every meter, every batch. Dimensionally accurate channel widths mean the printed labels slide in and out smoothly without jamming or falling out, and the flat label face is optically true — no distortion of the price text behind it. A product that fits perfectly and reads perfectly is a product the retail customer reorders without hesitation.

5. Crawler Haul-off with Inverter Sync — No Slippage, No Stretch

• Feature: The line's haul-off is a crawler (caterpillar) traction machine driven by a precision reduction motor with inverter control — 2.2 kW of pull, continuously variable speed.

• Advantage: A soft PVC profile cannot tolerate the localized stress of a roller-type puller — rollers pinch the profile and can mark or deform it. The crawler's wide belt surface distributes grip across the full profile width, holding it firmly without local pressure points. Inverter control synchronizes belt speed to the extruder's output rate; when screw speed changes, haul-off speed follows, maintaining constant draw-down ratio.

• Benefit: The profile leaves the line with uniform wall thickness and straightness — no necking from over-pull, no sagging from under-pull. Uniform geometry means uniform optical properties: a constant-thickness transparent strip refracts light consistently, so the printed label behind it appears crisp rather than wavy. Downstream operations — flexo printing, barcode marking, notching, and customer installation — all work better when every meter of strip is dimensionally identical.

6. Dust-Free Cutting — Clean Ends, Clean Workshop

• Feature: The line terminates in a no-dust cutter (1.5 kW) that cuts the cooled profile to preset lengths with a clean, burr-free action, capturing any cutting residue rather than scattering it.

• Advantage: Conventional saw cutters on soft PVC produce a rough cut face, micro-burrs, and a rain of PVC dust that settles on the line and in the workshop. The no-dust cutting system produces a square, smooth end face and contains the residue at the cutting station.

• Benefit: Clean square ends are essential for the end-user experience — a shelf label strip with a burred or ragged end is awkward and even dangerous to snap into the shelf edge channel. Dust-free operation keeps the production area clean, protects operators from airborne PVC dust, and means the finished bundles of strips go straight to packing without a secondary trimming or cleaning step.

7. Siemens + ABB Electrical Architecture — Global Standard Reliability

• Feature: The line is specified with Siemens motors, ABB inverters, and Siemens contactors throughout, with imported temperature control instruments and programmable computer control.

• Advantage: Electrical components are the most failure-prone subsystem of any extrusion line — they cycle thousands of times per day under heat and vibration. Off-brand components fail unpredictably and are hard to source. Siemens and ABB are global standards: their component catalogs, spare parts, and service networks exist on every continent, and any industrial electrician anywhere in the world can maintain them.

• Benefit: The line's electrical reliability translates directly into uptime — a 10+ year service life with predictable, easily-sourced maintenance. When the line does need a part, it ships from the nearest distributor in days, not weeks. For a producer supplying retail chains under delivery contracts, that uptime reliability is the difference between a profitable contract and a penalty clause.

8. Custom Moulds — One Line, the Whole Shelf-Edge Family

• Feature: The line ships with a custom-machined co-extrusion die tailored to the customer's profile design — label strip, price tag holder, hanging strip, or data clip tag holder — and accepts additional custom dies for other profiles.

• Advantage: Shelf-edge products come in dozens of standard profile designs: flat label channels in 10-30 mm widths, double-channel strips for two lines of pricing, hanging strips with integrated hooks, data clip tag holders with a closed pocket, and custom retail-chain proprietary profiles. All of them are simply different dies on the same machine.

• Benefit: One line covers the entire shelf-edge product family — the processor can serve multiple retail customers with different profile specifications from a single capital investment, switch between products in hours, and capture the higher-margin custom-profile orders that standard strip suppliers cannot quote. The die-change flexibility turns a commodity product line into a product portfolio.

From Granules to Shelf Edge — How the Line Runs

The Process Flow

PVC Granules (compound, masterbatch as required)         │         ▼ [1. ZJ100 Auto-loader] ──── vacuum/pneumatic transfer of granules from         │                    storage to hopper, no manual handling         ▼ [2. 50 kg Hopper Dryer] ──── moisture removal. PVC granules absorb ambient         │                    moisture; drying prevents bubbles and white spots         │                    in the transparent profile         ▼ [3. Main Extruder SJ55/25] ──── plasticizes the transparent body compound:         │                        screw conveys, compresses, melts; barrel zones         │                        170-190°C; melt exits the main extruder head         │ [4. Co-extruder SJ55/25] ──── plasticizes the second layer compound:         │                     colored / UV-stabilized / functional layer         │         ▼ [5. Co-extrusion Mould] ──── both melts enter the custom die; flow channels         │                     distribute each layer; layers bond at the         │                     combining zone; 2-layer profile exits the die         │                     at 170-190°C, soft and deformable         ▼ [6. Stainless Vacuum Calibration Tank (3 m)] ──── vacuum slots hold the hot         │                     profile against calibration tooling; water jacket         │                     cools the profile below distortion temperature         ▼ [7. Crawler Haul-off (2.2 kW)] ──── inverter-synchronized caterpillar grips         │                     and pulls the cooled profile at constant speed,         │                     maintaining uniform wall thickness         ▼ [8. No-dust Cutter (1.5 kW)] ──── cuts the profile to preset lengths with a         │                     clean, burr-free, dust-free action         ▼ [9. Aluminum Roller Stacker (6 m)] ──── finished strips collect on smooth         │                     aluminum rollers, no surface marking         ▼ [Finished: Transparent PVC Shelf Label Strips / Price Tag Holders]

Station-by-Station Operation Notes

1. ZJ100 Auto-loader — No Dust, No Labor, No Starvation. The auto-loader transfers granules from the raw material station to the hopper dryer automatically, maintaining a constant material level. Manual granule loading is not only labor-intensive but also introduces inconsistency — a hungry extruder starves, and a starved extruder produces thin, wavy, or voided profiles. The auto-loader eliminates this variable entirely.

2. 50 kg Hopper Dryer — The Unseen Quality Factor. PVC granules pick up surface moisture in storage — more in humid climates, less in dry. In extrusion, moisture vaporizes inside the melt and becomes bubbles; in a transparent profile, those bubbles appear as white specks and haze that destroy optical quality. The hopper dryer holds granules at a controlled elevated temperature, driving surface moisture off before the granules reach the screw. For transparent products, this is not optional — it is the difference between crystal clarity and a permanently foggy strip. For downstream process control, a STG-U hopper drier class dryer performs this function continuously.

3 & 4. The Twin SJ55/25 Extruders — The Heart of the Line. Each SJ55/25 is a single-screw extruder with a 55 mm screw and 25:1 L/D ratio. The deep-channel, one-piece screw design delivers stable melt delivery with minimal pulsation — essential for profile extrusion, where screw surging translates directly into wall-thickness variations visible in the finished strip. The Huaye (华业) brand screw and barrel — a well-established Chinese screw-barrel manufacturer — provide the wear resistance and dimensional accuracy the long service life demands. Each extruder is independently speed-controlled via its ABB inverter, allowing the operator to set the layer ratio precisely.

5. The Co-extrusion Mould — Where the Product Is Designed. The custom die is the single most product-specific component of the line. Its flow channels are machined for a specific profile cross-section, and its combining geometry determines how cleanly the two layers bond. Chenxing works with the customer's profile drawings — or provides profile design support — to machine a die that produces the exact cross-section, with uniform layer distribution and a clean weld line. Die temperature control (through the imported controllers) keeps melt viscosity stable inside the die, ensuring run-to-run consistency.

6. The 3-Meter Vacuum Calibration Tank — Locking the Shape. Emerging from the die at near-190°C, the profile is soft enough to deform under its own weight. The vacuum tank's first section — only centimeters from the die — captures the profile against the calibration tooling immediately, before gravity can distort it. Vacuum slots along the tank hold the profile in contact with the tooling over the full 3-meter length, while the water jacket cools it progressively from the surface inward. By the time the profile exits the tank, it is rigid enough to be handled, pulled, and cut without dimensional change. Stainless steel construction means the tank surfaces in contact with cooling water never rust — no scale contamination, no maintenance painting, decades of clean operation.

7. The Crawler Haul-off — The Synchronization Master. The haul-off is the line's speed reference in practical terms. In a properly tuned line, the extruder output rate is fixed by screw speed, and the haul-off speed determines the draw-down ratio — the amount the profile is stretched between die exit and haul-off. Too fast a haul-off stretches the profile thin; too slow allows it to belly and thicken. The crawler's inverter control makes the synchronization exact, and the precision reduction motor delivers the constant pull force that keeps the profile tensioned without slippage. For pipe and profile lines, this is the same technology family as Chenxing's caterpillar haul-off machines.

8. The No-dust Cutter — Clean Cut, Precise Length. The cutter indexes on the profile's continuous forward motion and cuts at preset intervals — typically 2-6 meters per strip, depending on the customer's retail format. The no-dust mechanism keeps the cut station clean, and the precise length control means bundles of strips are uniform and ready for packing. The same cutting technology family is used on Chenxing's dust-free pipe cutter for pipe lines.

9. The 6-Meter Aluminum Roller Stacker — Safe Landing. The finished strips run out over a 6-meter stacking table fitted with aluminum rollers. Aluminum is specified for a reason: it is smooth and non-marring, so the freshly-cut transparent strips slide and stack without scratches or scuffs on their visible surfaces. A scratched transparent strip is as rejectable as a yellowed one — surface quality is product quality in this business. The 6-meter length provides ample buffer between the cutter and the operator's packing station.

Which Profiles Can You Produce?

The Chenxing PVC label strip line is a profile extrusion line first and a shelf-label line second — its die determines the product, and the die is custom. Within the shelf-edge family, the line produces:

Shelf Edge Label Strip (Standard Channel)

The classic product: a flat label-holding face, typically 10-30 mm wide, with a rear channel that clips onto the shelf edge. The printed paper label slides into the front channel. Transparent face, transparent or colored channel. Used by every supermarket, hypermarket, and convenience store format. Produced in the largest volumes of the family.

Price Tag Holder / Price Clip

A variation with a tighter or multi-position channel, designed for smaller price tickets, promotional tags, or vertical price boards. Often specified with a colored co-extruded edge for visibility — the 2-layer capability of the line produces this in a single pass.

Transparent Shelf Hanging Strip

A strip with an integrated hook or slot, hung from a shelf edge or display rack to hold product information cards or small hanging merchandise. The flexible soft PVC construction lets the strip drape naturally without cracking.

Data Clip Tag Holder

A closed-pocket profile — the label card inserts into a fully enclosed pocket, protected from dust and handling. Used for technical data cards, ingredient labels, and other information that must stay pristine for long periods.

One Line, Multiple Products — The Die-Change Economy

The business case for the die-change model is straightforward:

1. Profile A (standard 20 mm label strip) — high volume, competitive price, the volume product that keeps the line busy.

2. Profile B (colored-edge price tag holder) — a retail chain's proprietary design, quoted at a premium because it is not a commodity.

3. Profile C (hanging strip) — seasonal demand from promotional displays, high margin during campaign periods.

All three run on the same line with the same crew, with a 2-4 hour die change between products. The line never sits idle waiting for one product's demand to recover — the operator simply runs whatever profile the market wants today. For the processor, this is the difference between owning a single-purpose machine and owning a production asset that adapts to the market.

The same principle extends beyond shelf-edge products: because the line is fundamentally a soft PVC profile extrusion line, other small profiles — edge guards, cable management channels, small gaskets — are also in scope with the appropriate die. A line purchased for shelf labels can grow into a general soft-PVC profile shop.

Frequently Asked Questions

Why do I need two extruders for a shelf label strip?

Because the premium shelf label strip is a 2-layer co-extruded product. The main extruder plasticizes the transparent body compound; the co-extruder plasticizes the second layer — a colored edge, a UV-stabilized surface, a different-durometer functional layer. The two melt streams bond inside the co-extrusion die in a single pass. A single-extruder line can only produce a single-layer, single-color profile — adding a second layer would require a separate lamination or coating process with its own equipment, labor, energy, and delamination risk. The twin-extruder configuration produces the premium product in one operation, at one line speed, with molecular-level layer bonding.

Can I produce both transparent and colored label strips on the same line?

Yes — and this is one of the strongest economic arguments for co-extrusion. A fully transparent strip runs with both extruders feeding transparent compound. A colored-edge strip runs with the main extruder feeding transparent compound and the co-extruder feeding colored compound. A fully colored strip runs with both extruders feeding the colored compound. The changeover is a matter of changing the co-extruder's feed — compound color changes in minutes, with no mechanical modification. The same line therefore serves both the commodity transparent market and the premium colored-edge market, and can switch between them to follow demand and margin.

How much can I save by producing PVC shelf labels in-house instead of buying them?

Distributor pricing for transparent PVC shelf label strips typically runs 0.05-0.15 per meter — a 50-70% reduction — driven by three factors: raw material cost (PVC compound at 50,000-150,000 per year against distributor pricing — a return on the line's investment measured in months. At retail-chain supply volumes (millions of meters), the savings fund additional lines within the first contract cycle.

What PVC raw material grade should I use for transparent labels?

Use a soft (plasticized) PVC compound formulated for transparent profile extrusion — typically 60-80 phr plasticizer (DINP, DOTP, or non-phthalate plasticizers for food-contact-adjacent retail applications), with a calcium-zinc or organotin heat stabilizer system appropriate for the processing window (170-190°C), and a K-value of 60-70 (PVC resin molecular weight suitable for flexible extrusion). Compound suppliers formulate "crystal" or "transparent" grades specifically for this application. Avoid general-purpose rigid PVC compounds — they do not plasticize to the required flexibility, and their stabilizer packages may not be optimized for optical clarity. For compounding in-house, a high-speed mixer blends the PVC resin, plasticizer, stabilizer, and lubricants into a dry blend before extrusion.

How do I avoid yellowing or haze on transparent PVC profiles?

Yellowing and haze in transparent soft PVC have three root causes, and the Chenxing line is engineered to address all three. Temperature: run the melt inside the 170-190°C window — imported temperature controllers with ±2°C accuracy prevent the over-temperature excursions that dehydrochlorinate the polymer and turn it yellow. Moisture: dry the granules before extrusion — the 50 kg hopper dryer removes surface moisture so steam bubbles cannot form white specks in the melt. Contamination: keep the compound feed clean — a CJ magnetic frame at the feed throat removes ferrous contaminants, and the compound must be stored covered to avoid dust pickup. Operating discipline matters too: never stop the screw with a hot barrel (the melt degrades in place), and purge with a cleaning compound before shutdown.

Can the line be changed over to produce other PVC profiles later?

Yes. The line is fundamentally a soft PVC profile extrusion line; the die defines the product. Changing from a shelf label strip to another small soft-PVC profile — an edge guard, a gasket, a cable management channel, a co-extruded two-color trim profile — requires a new die and possibly a calibration tooling change, both of which are custom-machined to the customer's profile drawing. The extruders, vacuum tank, haul-off, cutter, and stacker are all profile-agnostic. This die-change flexibility is deliberately part of the line's investment case: the machine's value is not tied to the shelf-label market alone. For hard PVC profiles, Chenxing also supplies pipe extrusion line equipment with matching downstream machinery.

What is the production capacity and power consumption of the line?

Capacity depends on the extruder model: SJ45 (80-120 kg/h), SJ55 (150-200 kg/h), SJ65 (200-250 kg/h), SJ90 (250+ kg/h). The standard co-extrusion configuration described here uses two SJ55/25 extruders at 150-200 kg/h combined output. In practical terms, at a typical strip weight of 15-25 g/m, 150 kg/h converts to 6,000-10,000 meters per hour of strip — roughly 40,000-80,000 meters per shift depending on profile weight. Total installed power for the line (both extruders, vacuum pump, haul-off, cutter, auxiliaries) is approximately 60-80 kW for the SJ55 configuration. Energy consumption per kilogram of finished strip is typically 0.35-0.50 kWh, and the SML air-cooled chiller supplies the cooling water for the calibration tank.

Start Producing Your Own Shelf Labels — Get a Turnkey Quote

Step 1 — Define Your Product: Send us your profile drawing — cross-section, dimensions, wall thickness, and whether you need a transparent single-layer or 2-layer co-extruded strip. If you do not have a drawing, tell us the retail format you supply (standard 20 mm label strip, price tag holder, hanging strip, data clip tag holder) and the quantities you need per month. Our engineers will provide profile design support and recommend the optimal die design for your application.

Step 2 — Select Your Configuration: Based on your target output, we recommend the extruder model (SJ45 SJ55 SJ65 / SJ90) and the full 9-station line configuration — auto-loader, hopper dryer, main extruder, co-extruder, custom mould, vacuum calibration tank, crawler haul-off, no-dust cutter, and aluminum roller stacker. We provide the complete technical proposal, line layout drawing, utility requirements (power, water, compressed air), and a detailed pricing breakdown — including the custom die, which is machined to your profile specification.

Step 3 — Request a Quote from Nicole: Contact Nicole at +8615951187228 or ceo@cxsljx.com with your profile drawing or product description, target capacity, and destination port. We respond within 24 hours with a formal quotation, delivery schedule (typically 30-45 days for the standard line plus die machining time), and freight options. Chenxing provides full after-sales support — installation supervision, operator training on the 9-station line, process parameter guidance for transparent soft PVC compounds, and a spares kit covering the wear items.

Step 4 — Commission and Ramp Up: After installation, our engineers supervise commissioning — die alignment, temperature profile tuning, vacuum level adjustment, and haul-off speed synchronization — until the line produces saleable strip. Your team learns the process on a running line, not in a classroom. Within the first weeks, the line is producing transparent shelf label strips at full capacity, at a unit cost 50-70% below distributor pricing, with the flexibility to switch dies and serve the entire shelf-edge product family.

For the complete extrusion value chain, Chenxing also supplies: plastic crushers for scrap recovery, PVC hot-cutting pelletizing lines for PVC waste recycling, PVC disc pulverizers and SMP PVC waste pulverizers for PVC powder production, screw feeders for metered material handling, and vibrating screens for pellet classification.

Contact Chenxing Machinery Today:

• Contact Person: Nicole

• Phone / WhatsApp: +8615951187228

• Email: ceo@cxsljx.com

• Company: Zhangjiagang Chenxing Machinery Co., Ltd.

• Website: www.chenxingmachinery.com