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A 10L laboratory plastic mixer is the first machine most plastics processors buy when developing new formulations, testing colorants and additives, or preparing small trial batches before full-scale production. The Chenxing SHR-10A high-speed mixer offers a 10 L vessel capacity (7 L effective volume), a 3 kW motor, 2000 rpm spindle speed, self-friction heating, PLC automatic control and imported electrical components. Because heating function, discharge port design and vessel material can all be customized, the SHR-10A adapts to the exact mixing, coloring and drying requirements of sheet, pipe, profile and biodegradable plastic production. This guide explains what B2B buyers should check before purchasing a 10L laboratory mixer.
Laboratory mixing is not a minor purchase — it is the quality gate for everything that happens on the production floor. Industry research shows that 94% of B2B customers conduct online research before purchasing, 62% of engineers complete at least half of the buying process online, and 78% of manufacturing buyers report longer purchasing cycles with decisions passing through multi-person committees (over 53% of teams now include 8+ members). This means a lab mixer decision is documented, compared and justified like any other capital equipment.
For a plastics processor, the laboratory high-speed mixer is where formulations are proven: masterbatches are color-matched, additives are dispersed, drying and mixing cycles are validated, and trial sheets, pipes and profiles are produced before committing to industrial lines. Choosing the wrong lab mixer leads to inconsistent trials, rejected batches and wasted material — which is why a data-backed, parameter-by-parameter buying guide matters.
The Chenxing SHR series high-speed mixer is the product family behind the SHR-10A laboratory model. The SHR-10A combines imported negative-pressure mixing technology with PLC automation to deliver consistent results in a bench-scale footprint:
| Parameter | SHR-10A specification | What it means for your process |
|---|---|---|
| Model | SHR-10A | Laboratory-scale high-speed mixer |
| Vessel capacity | 10 L | Batch size for small trials and formula development |
| Effective volume | 7 L | Usable batch volume after accounting for free space |
| Motor power | 3 kW | Sufficient torque for PVC, PE, PP and masterbatch compounding at lab scale |
| Spindle speed | 2000 rpm | High-speed friction for fast mixing and self-friction heating |
| Heating method | Self-friction heating | Heat generated by high-speed material friction, with optional customized heating |
| Impeller material | Stainless steel, pressure-cast, dynamic/static balanced | Long wear life, balanced rotation, clean discharge |
| Discharge method | Spiral stirring promotes complete discharge, no dead corners | Less material retention between batches |
| Control system | PLC automatic control | Recipe repeatability and one-button operation |
| Electrical components | Imported well-known brands | Higher reliability and lower downtime |
| Cooling | Cooling cavity design with spiral stirring | Faster cooling and complete emptying after mixing |
Key design highlights of the SHR-10A:
Negative-pressure mixing principle — imported overseas technology that improves dispersion and reduces material carryover.
PLC high-automation control — consistent mixing curves, less operator dependence, and easy parameter recall for reproducible lab trials.
Cooling cavity with spiral stirring — no dead corners, accelerated cooling and complete material discharge between batches.
Structurally stable, dynamically and statically balanced impeller — low vibration and long service life even at 2000 rpm.
The SHR-10A is a laboratory-grade machine, distinct from industrial vertical high-speed mixers such as the SRL-Z series which handle production-scale batches — but the mixing principle and control logic are the same, so lab results translate predictably to full production.
A 10L laboratory mixer is not a "small accessory" — it is the tool that de-risks every downstream production decision. In the plastics industry specifically, it is used for four core jobs:
When a processor develops a new PVC, PE or PP formulation — stabilizers, lubricants, fillers and processing aids — the lab mixer proves the recipe before the production line runs. The SHR-10A's PLC control stores mixing time, speed and temperature profiles, so a formulation validated in the lab can be scaled up with documented parameters.
Before committing raw material to a full production run, processors mix small trial batches of sheets, pipes, profiles or biodegradable plastic compounds. The 7 L effective volume is ideal for producing enough compound for pilot extrusion without wasting expensive additives or colorants.
Color concentrates and additive masterbatches must be uniformly dispersed or downstream products develop streaks, weak spots or inconsistent properties. The 2000 rpm spindle speed and self-friction heating create the high-shear conditions needed to validate dispersion quality at laboratory scale.
PVC dry blends, colored compounds and engineering plastic formulations are mixed at elevated temperature before processing. The SHR-10A's heating capability and cooling cavity simulate the industrial hot-mix/cold-mix cycle, letting engineers confirm the blend behaves correctly before it reaches the extruder.
For downstream production, the lab mixer works alongside other auxiliary equipment — from hopper dryers for material drying to powder suction machines for automated feeding, all of which belong to the auxiliary machines family that supports every plastics extrusion line.
The single biggest mistake in buying a laboratory mixer is treating it as an off-the-shelf commodity. Different materials, formulations and plant layouts demand different configurations — and a supplier that cannot customize will force you to adapt your process to the machine instead of the reverse. The SHR-10A is designed to be customized in three key areas:
Heating directly controls mixing temperature, which determines additive activation, PVC gelation behavior and drying efficiency. The SHR-10A's standard design uses self-friction heating (heat generated by the high-speed mixing action), which suits most PVC and polyolefin compounding. Depending on your material and process requirements, you can choose:
Self-friction heating only — for formulations where mixing heat is sufficient and no external heating is needed.
With heating version — an electric heating option for materials that require a controlled mixing temperature above what friction alone can reach, such as certain engineering plastics or moisture-sensitive compounds.
Without heating version — for heat-sensitive formulations where friction heat must be minimized.
Your supplier should recommend the right heating configuration based on the exact materials and target temperatures in your formulation.
Discharge affects cycle time, batch integrity and operator ergonomics. The SHR-10A's spiral-stirring discharge minimizes dead corners and material retention, but the discharge port itself can be customized to fit your plant layout and downstream equipment:
Side discharge vs. bottom discharge — side discharge suits feeding an extruder or next process directly; bottom discharge suits gravity-fed collection or conveyor transfer.
Different port diameters and positions — matched to your pipework, mobile trolleys or downstream machine infeed height.
A customized discharge port removes material-handling bottlenecks and keeps the lab-to-production workflow continuous.
Vessel material affects cleanliness, wear resistance and product purity. The standard SHR-10A uses stainless steel for the pressure-cast impeller, but the vessel and contact parts can be configured per your material characteristics and cleanliness requirements:
Stainless steel options — for clean compounding, masterbatch production and applications where contamination must be avoided.
Alternative alloys or surface treatments — for abrasive fillers, recycled materials or formulations requiring special chemical resistance.
When contacting suppliers, specify the materials you will process and your cleanliness standard so the vessel material can be selected correctly.
Before you request a quote, run through this checklist to ensure the machine matches your actual production needs:
| Checkpoint | What to verify | Why it matters |
|---|---|---|
| Capacity | Vessel volume vs. effective volume | Effective volume (7 L on SHR-10A) determines real batch size |
| Speed | Maximum spindle speed and speed control | Higher speed (2000 rpm) gives better dispersion and friction heating |
| Temperature control | Self-friction, optional heating, cooling cavity | Matches mixing temperature to your formulation requirements |
| Material of construction | Impeller and vessel material | Determines cleanliness, wear life and product purity |
| Discharge | Port position, size and discharge mechanism | Affects cycle time and downstream feeding efficiency |
| Control system | PLC automation, parameter storage, imported components | Ensures repeatable recipes and lower operator dependence |
| After-sales | Installation, training, spare parts, technical support | Protects uptime and long-term process development |
Also consider how the mixer will connect to the rest of your lab and production equipment. For example, material feeding can be automated with a continuous powder suction machine or a crushing material suction machine; pre-milling of coarse raw materials may use a dual-disc plastic pulverizer; scrap and edge trim can be recycled through a plastic agglomerator; heat-sensitive formulations may require an air-cooled chiller for the cooling circuit; and metal contamination can be removed with a magnetic frame before mixing. A complete auxiliary lineup ensures your lab results translate cleanly to production.
A 10L laboratory mixer is designed for plastics industry tasks: material mixing, stirring, coloring and drying of PVC, PE, PP and biodegradable plastics, plus the preparation of compounds for sheet, pipe, profile and film production. Typical applications include PVC dry-blend preparation, masterbatch and additive dispersion testing, small-batch trial mixing before production, and laboratory validation of new formulations. Because the SHR-10A operates at 2000 rpm with self-friction heating and PLC control, it closely simulates industrial high-speed mixing conditions, making trial results directly transferable to full-scale production lines.
Yes. The SHR-10A standard configuration uses self-friction heating, where the kinetic energy of the 2000 rpm impeller heats the material through friction. Depending on your material and process needs, you can choose a version with electric heating for materials that require a controlled mixing temperature beyond friction heat, or a version without heating for heat-sensitive formulations. The supplier should recommend the right heating configuration after you specify the materials, target temperatures and process cycle, ensuring the mixer matches your exact compounding and drying requirements rather than forcing a one-size-fits-all solution.
Yes, the discharge port design is customizable. The SHR-10A uses spiral stirring to promote complete discharge with no dead corners, but the port itself can be configured for your plant layout: side discharge or bottom discharge, different port diameters, and different positions to match downstream extruders, conveyors or mobile collection trolleys. A well-matched discharge design reduces cycle time, minimizes material retention between batches, and keeps the flow from laboratory mixing to production processing continuous. Discuss your downstream equipment height and layout with the supplier so the port is engineered for your specific workflow.
Yes. The SHR-10A features a stainless steel pressure-cast impeller that is dynamically and statically balanced for stable high-speed operation, and the vessel and contact parts can be customized according to your material characteristics and cleanliness requirements. Stainless steel options suit clean compounding, masterbatch production and applications where contamination must be avoided, while alternative alloys or surface treatments can handle abrasive fillers, recycled materials or formulations with special chemical requirements. When requesting a quote, state the materials you will process and your cleanliness standard so the correct vessel material is selected.
The SHR-10A is a laboratory-scale machine with a 10 L vessel capacity (7 L effective volume), a 3 kW motor and 2000 rpm spindle speed, designed for formula development, small-batch trials and dispersion testing. Industrial SHR series and SRL-Z vertical high-speed mixers use larger vessels, higher motor power and heavier-duty construction for continuous production-scale batches, often paired with cooling mixers and automated conveying systems. The mixing principle, PLC control and temperature management logic are consistent across the range, so parameters developed on the SHR-10A transfer predictably to industrial machines. Choose the SHR-10A for R&D and pilot work, and industrial models for full production.
To receive an accurate quotation and the complete technical data sheet, contact the Chenxing sales team with the following information: the materials you will process (PVC, PE, PP, masterbatch, biodegradable compounds, etc.), the target mixing temperature and cycle time, the desired heating configuration (self-friction, with or without heating), the discharge port preference (side or bottom, diameter and position), and the vessel material requirements. Our engineers will confirm the machine configuration, customization options, price, lead time and after-sales service package. This information helps us recommend the right SHR series mixer for your laboratory and production needs.
A 10L laboratory plastic mixer is a strategic investment in process reliability: it validates formulations, proves color and additive dispersion, supports small-batch trials, and generates the reproducible parameters that scale up to full production. The Chenxing SHR-10A delivers the core specification you need — 10 L vessel, 7 L effective volume, 3 kW motor, 2000 rpm spindle, self-friction heating, PLC control, imported electrical components and complete-discharge spiral stirring — and it can be customized in the three areas that matter most: heating function, discharge port design and vessel material.
When you compare suppliers, use the buying checklist in this guide: capacity, speed, temperature control, material of construction, discharge, control system and after-sales support. Choose a partner that understands plastics processing — not a generic mixer vendor — and you will get a laboratory machine that genuinely accelerates your product development.
Request a quotation for your SHR-10A laboratory mixer — tell us your materials, mixing temperature, discharge preference and vessel material requirements, and our plastics machinery engineers will configure the right machine and provide the full technical parameters and pricing.
