Factory Direct CE & ISO Certified Ships in 2 Weeks

Precision Laboratory Extruder for R&D and Pilot Testing

Small-batch compounding with ±0.3°C temperature precision and 95%+ mixing uniformity — factory-direct from UET’s China manufacturing base to laboratories in 80+ countries.

20+Years Engineering
5,600+Machines Delivered
80+Export Countries
UET precision laboratory twin screw extruder with stainless steel conical hopper silver barrel sections yellow high temperature warning labels color touchscreen control panel with blue interface red emergency stop button white polymer pellet samples in stainless steel tray in clean modern research laboratory with white lab benches and instruments at UET Machine factory China CE ISO 9001
±0.3°C Melt Control 99% Data Accuracy
±0.3°CLab Temp Precision
95%+Mixing Uniformity
≤0.8㎡Lab Footprint
≤65dBOperating Noise
The Basics

What Is a Laboratory Extruder?

A compact, high-precision extrusion platform that bridges the gap between a formulation idea and full-scale production.

A laboratory extruder is a small-scale extrusion machine engineered for research and development, formulation testing and pilot-scale production. Unlike production extruders built for throughput, a lab extruder is optimized for precision, repeatability and minimal material consumption — melting and compounding polymers with as little as 100 grams per trial while recording the process data your team needs to make scale-up decisions.

It replicates the melt temperature, shear rate and residence time of industrial lines at a fraction of the size, so results transfer directly to production. That is why a laboratory extruder is the core instrument in polymer labs worldwide.

Who uses it:

Universities Research Institutes Corporate R&D Centers Material Startups QC Laboratories
Precision laboratory extruder on lab benchtop with polymer pellet samples for research testing at UET Machine China
Parameter Laboratory Extruder Production Extruder
Primary purposeR&D, formulation testing, samplesMass manufacturing
Typical output0.5 – 200 kg/h100 – 2,500 kg/h
Material per trial100 g – 5 kgHundreds of kg
Footprint0.5 – 1.2 ㎡10 – 100 ㎡
Design focusData precision & repeatabilityThroughput & uptime
Model Selection

Choose the Right Laboratory Extruder Model

Three platforms covering every R&D scenario — from basic plasticizing trials to high-viscosity, heat-sensitive compounding.

Compact UET laboratory single screw extruder on stainless steel lab table with silver hopper black body digital control panel and white PE PP pellet samples for entry-level R&D testing

Lab Single Screw Extruder

Simple formulation validation and basic plasticizing tests at one-third the cost of twin screw models.

  • Best forPE / PP testing
  • TemperatureRT – 350°C
  • Output0.5 – 5 kg/h
  • Footprint0.5㎡
  • InvestmentEntry level
Get Quote →
Most Popular
UET laboratory twin screw extruder with stainless steel construction silver barrel motor and touchscreen control panel with colorful polymer pellet samples in glass bottles for modified plastics masterbatch and biodegradable polymer compounding R&D

Lab Twin Screw Extruder

High-precision compounding for modified plastics, masterbatches and biodegradable polymers.

  • Best forCompounding R&D
  • Temperature±0.3°C control
  • Output5 – 200 kg/h
  • Mixing95%+ uniform
  • Footprint0.8㎡
Get Best Price →
UET specialized laboratory extruder with silver stainless steel barrel funnel motor and touchscreen control panel in clean research laboratory for heat-sensitive PVC bio and medical grade polymer processing with low shear design

Specialized Lab Extruder

Low-shear design for PVC, medical-grade and other heat-sensitive, high-viscosity materials.

  • Best forPVC / Bio / Medical
  • Precision±1°C control
  • Degradation↓40% reduced
  • CleaningSelf-cleaning
  • InvestmentPremium
Get Quote →
Decision Framework

Find Your Ideal Lab Extruder in 4 Steps

Work through four questions — each answer narrows the field until only one platform fits your laboratory.

The 4-Question Selection Path

Answer honestly and match your profile against the quick-reference recommendations below.

1

Material Type

What will you process most often?

Commodity plastics Engineering plastics Bio-based Heat-sensitive
2

Mixing Intensity

Simple melting or true compounding?

Melting / forming Blending High-shear dispersion Reactive
3

Batch Size

How much material per trial?

<1kg micro 1–10kg 10–50kg pilot 50kg+
4

Budget & Precision

Validation budget or publication-grade data?

Entry budget Best value Premium precision
PE/PP forming + entry budget → Lab Single Screw
Masterbatch / PLA / PA compounding → Lab Twin Screw
Medical PVC / hot-melt / high viscosity → Specialized Model
Working Principle

How Does a Laboratory Extruder Work?

Follow the numbered flow — each callout matches one of the five process stages below.

Drive Z1 Z2 Z3 ±0.3°C Pelletizer HMI · Data Logging 1 2 3 4 5
1

Feeding

Pellets or powder enter the barrel through a sealed hopper at a controlled rate.

2

Conveying & Melting

The rotating screw conveys material through independently heated zones (±0.3°C PID).

3

Mixing & Shearing

Screw elements knead the melt, dispersing additives and homogenizing temperature.

4

Metering & Die Forming

The melt is pumped at stable pressure through the die — strand, tube, film or sheet.

5

Cooling & Data Logging

Output is cooled and pelletized while the HMI records torque, temperature and RPM.

Anatomy

Key Components of a Laboratory Extruder

Every UET laboratory extruder is built from eight precision-engineered subsystems — numbered to match the labeled diagram.

Labeled diagram of laboratory extruder components: screw, barrel, hopper, die head and PLC control at UET Machine China
1

Screw

Conveys, melts and mixes; modular elements in 38CrMoAlA or HSS.

2

Barrel

Multi-zone heated bore; L/D 26–75 configurable per recipe.

3

Sealed Hopper

Dust-free feeding protects precious or active materials.

4

Heaters + PID

Independent zones holding ±0.3°C melt stability.

5

Die Head

Interchangeable dies for strand, tube, film and sheet samples.

6

Gearbox & Drive

High-torque transmission, stable 55–800 rpm speed range.

7

PLC + 7″ HMI

Templates, one-touch control and CSV data logging.

8

Downstream Options

Strand pelletizer, cooling tank, take-up and film winder.

Engineering

Laboratory Extruder Features for Research Excellence

Every subsystem of the laboratory extruder is designed for precise, repeatable experiments and fast formulation iteration.

Multi-Zone Temperature Control

Independent PID heating zones hold ±0.3°C, preventing thermal degradation in sensitive polymers.

Real-Time Data Logging

Torque, pressure, temperature and RPM recorded every second; CSV export for formulation reports.

Modular Screw Design

Interchangeable screw elements and barrel sections for different shear levels and mixing intensity.

7″ Touchscreen HMI

10 preloaded process templates and one-touch start/pause — operation simplified to 3 steps.

Low-Noise Operation

≤65dB running noise fits standard lab environments without extra sound insulation.

40% Faster Changeover

Sealed hopper and quick-release barrel cut cleaning and material changeover time by 40%.

Scale-Up Pathway

From Lab Trial to Full Production

UET lab extruders share the same screw geometry and L/D principles as our production lines — your validated formulation scales directly.

Compact UET laboratory twin screw extruder on stainless steel lab table with silver hopper deep blue motor touchscreen control panel and white polymer pellet samples for 100g to 5kg batch R&D formulation testing
Stage 1 · R&D

Lab R&D Phase

Validate formulations with 100g–1kg per trial. Screen 10+ recipes before committing to scale-up.

100g – 5kg batches View lab models ↑
Pilot scale UET twin screw extruder on deep blue steel base with large stainless steel hopper HMI touchscreen and signal tower for 10 to 100 kg/h validation batch production
Stage 2 · Pilot

Pilot Scale

Transfer parameters directly to UET 20/25/31 twin screw for 10–100kg/h validation batches.

10 – 100 kg/h output Twin Screw Extruder →
Full production UET twin screw extruder line with dual stainless steel hoppers long heating barrels independent control console and yellow safety railings for 100 to 2500 kg/h continuous compounding
Stage 3 · Production

Full Production

Scale to UET 40/52/65 twin screw compounding lines for 100–2,500kg/h continuous output.

100 – 2,500 kg/h Compounding Line →
Datasheet

Laboratory Extruder Technical Specifications

Complete parameters for all laboratory extruder series. Custom screw diameters, L/D ratios and voltage standards available on request.

Model Diameter (mm) L/D Speed (rpm) Power (kW) Output (kg/h)
UET20B2026–7555–7002/3~12
UET20D2026–7555–7504/5~22
UET20-Max2026–7555–8005/6~32
UET25B2526–7555–7004/5~25
UET25D2526–7555–7506/7~40
UET25-Max2526–7555–8007/8~55
UET31B3126–7555–7006/7~45
UET31D3126–7555–7509/10~70
UET31-Max3126–7555–80011/12~95
UET34B3426–7555–70010/11~80
UET34D3426–7555–75014/15~120
UET34-Max3426–7555–80018/20~200
Model Screw Dia. (mm) Speed (rpm) Power (kW) Output (g/h)
UET-14145500.4/1.0500–3,500
UET-15156500.5/1.32,000–5,000
Screw material38CrMoAlA nitrided / W6Mo5Cr4V2 (HSS)
Barrel materialAlloy steel with bimetallic lining
Temperature control±0.3°C PID multi-zone
Voltage380V / 50Hz / 3-phase (customizable)
Control systemPLC + 7″ HMI touchscreen
CoolingAir cooling / water cooling optional
CertificationCE, ISO 9001, SGS
Warranty12 months machine / 24 months screw & barrel
Lead time1–2 weeks standard / 4–6 weeks custom
Supported Materials

What Materials Can Your Laboratory Extruder Process?

Comprehensive compatibility matrix covering 24+ polymer families with the recommended UET laboratory extruder model.

Material × Recommended Model Matrix

Green = Single Screw · Orange = Twin Screw · Red = Specialized

Polyethylene (PE)HDPE, LDPE, LLDPESingle Screw
Polypropylene (PP)Homo, random, copolymerSingle Screw
Polyvinyl Chloride (PVC)Rigid, flexible, medicalSpecialized
Polystyrene (PS)General, HIPS, EPSSingle Screw
ABSEngineering gradesTwin Screw
Polyamide (PA)Nylon 6, Nylon 66Twin Screw
Polycarbonate (PC)Clear, reinforcedTwin Screw
POMAcetal homopolymerTwin Screw
PET / PBTPackaging, engineeringTwin Screw
PLABiodegradable bio-basedTwin Screw
PBATCompostable polymerTwin Screw
PHA / PBSBio-compostable blendsSpecialized
TPU / TPEThermoplastic elastomersTwin Screw
MasterbatchColor, filler, additiveTwin Screw
Wood-Plastic CompositesWPC formulationsTwin Screw
Flame RetardantHalogen / non-halogenTwin Screw
Carbon Fiber CompositeShort-fiber reinforcedTwin Screw
Glass Fiber FilledReinforced engineeringTwin Screw
Recycled PE / PPPost-consumer regrindTwin Screw
Recycled PETrPET processingTwin Screw
Medical PVCPharma-grade tubingSpecialized
PCL / PGABioresorbable medicalSpecialized
Hot Melt AdhesivesEVA, APAO basedSpecialized
PEEK / PPSHigh-temp engineeringTwin Screw
Applications

Laboratory Extruder Applications

Validated across polymer science, materials engineering and biotechnology R&D scenarios worldwide.

Laboratory extruder producing polymer formulation samples with white and black plastic pellets in transparent jars and stainless steel trays for PE PP PS ABS compounding R&D

Polymer Formulation Development

Small-batch compounding verifies dispersion and flow properties across raw material ratios.

PE PP PS ABS
Laboratory extruder producing biodegradable material samples with white and beige PLA PBAT pellets in jars and extruded strip samples for biodegradable polymer R&D

Biodegradable Material R&D

Gentle plasticization preserves degradation activity while compounding additives uniformly.

PLA PBAT PHA PBS
Laboratory extruder with dual stainless steel hoppers producing functional modified materials with pellet samples powder additives and granules for flame retardant antioxidant and UV stabilizer compounding

Functional Modified Materials

Uniform dispersion of flame retardants, antioxidants and stabilizers via multi-zone control.

FR Antioxidant UV
Laboratory extruder producing specialty resin samples with white translucent black and beige engineering plastic pellets in labeled jars and extruded strips for PA PC POM PEEK testing

Specialty Resin Testing

Stable transmission handles high-viscosity engineering plastics for strength validation.

PA PC POM PEEK
Laboratory extruder producing color masterbatch with red blue yellow and black pigment pellets in jars and blue powder in petri dish for uniform pigment dispersion

Color Masterbatch Development

High-shear elements achieve uniform pigment dispersion at low batch volumes.

Pigments Dyes
Laboratory extruder in clean sterile medical laboratory with white spherical polymer pellets in glass jars and laboratory balance for medical grade PVC TPU PCL low shear processing

Medical-Grade Polymers

Low-shear, sealed feeding prevents contamination for pharma and medical applications.

PVC TPU PCL
Capabilities

What Can a Laboratory Extruder Do for Your Lab?

Six core tasks that make the laboratory extruder the most versatile instrument on your bench.

✓Formulation Screening

Test 10+ recipes per day with grams of material instead of kilograms — cut development cost dramatically.

✓Sample Preparation

Produce specimen bars, tubes, films and sheets for mechanical, thermal and degradation testing.

✓Small-Batch Production

Bridge batches for niche, medical or high-value products where full-line runs are uneconomical.

✓Process Optimization

Map temperature, screw speed and feed windows before committing production capacity.

✓Scale-Up Studies

Generate transferable parameters that move formulations straight to pilot and production lines.

✓Training & Teaching

Hands-on extrusion education for students and new engineers on safe, bench-scale equipment.

Sourcing

Your Laboratory Extruder Supplier in China

China builds the majority of the world’s extrusion equipment — choosing the right Chinese supplier decides your price, quality and long-term support.

UET Machine is a factory-direct laboratory extruder supplier in China, operating an 11,400㎡ manufacturing base in Nanjing with 20+ years of extrusion engineering. There is no trading company between you and the workshop: every screw, barrel and control cabinet is machined, assembled and test-run in-house, then shipped to laboratories in 80+ countries.

  • Factory-direct pricing, MOQ 1 set — save 20–35% vs trading companies
  • OEM/ODM customization: voltage, screw geometry, die and downstream
  • CE, ISO 9001, SGS + complete export documentation
  • Material test-run and live video inspection before shipment
  • 24/7 engineer support and lifetime spare parts at cost price
Request Supplier Quotation
Laboratory extruder undergoing pre-shipment quality inspection and test run at UET Machine China factory
MOQ 1 Set OEM / ODM CE · ISO · SGS Video Inspection
Why UET

Why 5,600+ Clients Choose UET Laboratory Extruders

Two decades of extrusion engineering, one factory, one point of responsibility. Six pillars of trust.

Own 11,400㎡ Factory

Direct manufacturing eliminates middleman markups. Full quality control from raw material to finished machine.

CE & ISO 9001 Certified

Full compliance with EU machinery directive and international quality standards. SGS reports included.

24/7 Engineer Support

Lifetime technical support with 2-hour response. 24-month warranty on core components. Remote troubleshooting.

80+ Export Countries

Proven logistics to Europe, Americas, Asia and Africa. Complete export docs and door-to-door delivery.

Transparent Pricing

Itemized quotations within 2 hours. No hidden fees. Factory-direct pricing saves 20–35% vs traders.

Fast Delivery

Standard models ship in 1–2 weeks. Custom configurations in 4–6 weeks. Expedited production available.

UET 11,400 sqm factory interior with multiple industrial laboratory extruders stainless steel hoppers white PLC control cabinets and screw components on gray epoxy floor with yellow safety lines at UET Machine Nanjing China
Process

From Enquiry to Running Laboratory Extruder

Transparent timelines and clear deliverables at every stage — you always know what happens next.

1

Consultation & Quotation

Share material, output target and voltage. Engineers confirm feasibility fast.

  • Itemized quotation
  • Configuration proposal
⏱ 2 hours
2

Engineering & Approval

Screw configuration, barrel zones and downstream engineered to your recipe.

  • Layout drawing for approval
  • Screw element design
⏱ 2–5 days
3

Manufacturing & Testing

In-house machining, full-load mechanical test and material trial run.

  • Live video inspection
  • Test-run report
⏱ 1–6 weeks
4

Shipping & Commissioning

Export packing, documentation, installation guidance and training.

  • Operator training
  • 24/7 remote support
⏱ 7–15 days
Preparation Guide

Laboratory Extruder Installation & Setup Requirements

Prepare these essentials so your laboratory extruder is operational within one hour of arrival.

Electrical Supply

Ensure adequate power before arrival:

  • 3-phase 380V/50Hz supply
  • 16A independent breaker
  • Grounding <4Ω resistance
  • Custom voltage (220/415/440V)

Ventilation & Environment

Maintain stable lab conditions:

  • Fume hood for volatile processing
  • Ambient 15–35°C, humidity <85%
  • No corrosive gases or dust

Space & Foundation

Allocate proper installation area:

  • 0.5–1.2㎡ floor space
  • Reinforced bench / level floor ±2mm
  • 50cm maintenance clearance

Utilities & Safety

Connect utilities and safety systems:

  • Clean water (cooling option)
  • Compressed air (optional feed)
  • Fire extinguisher, heat gloves, glasses
Customer Proof

What Researchers Say About UET Laboratory Extruders

Trusted by university labs, startups and specialty chemical R&D teams worldwide.

★★★★★

“Precise temperature control and stable mixing cut our formulation testing time by 30%. The compact lab extruder fits our lab perfectly — a reliable research asset.”

Dr. Michael Chen, University Materials Science Lab researcher, reviewing UET laboratory extruder
Dr. Michael Chen
University Materials Science Lab
★★★★★

“Interchangeable screw configurations adapt to every material test. The intuitive interface eliminated training — we validated prototypes within days of delivery.”

Sarah Williams, Bio-Based Materials Startup founder, reviewing UET lab twin screw extruder
Sarah Williams
Bio-Based Materials Startup
★★★★★

“Six months of continuous testing — durability and precision are impeccable. Lab data transfers smoothly to production, saving significant time and resources.”

David Park, Specialty Chemical R&D engineer, testing UET laboratory extruder for formulation development
David Park
Specialty Chemical R&D
★★★★★

“Custom adjustments for high-viscosity tests were handled seamlessly. Long-run stability and precise control have visibly improved our research efficiency.”

Emily Zhang, Polymer Research Institute scientist, evaluating UET lab extruder for polymer compounding
Emily Zhang
Polymer Research Institute
Technical FAQ

Laboratory Extruder FAQs

Answers to the questions lab managers and procurement teams ask most about laboratory extruders and sourcing from China.

A laboratory extruder is a small-scale extrusion system for R&D formulation testing, pilot production and material characterization. It heats polymer pellets or powder in a barrel while a rotating screw conveys, melts, mixes and pushes the melt through a die. The UET laboratory extruder uses multi-zone PID control (±0.3°C) and modular screw elements to deliver repeatable results with only 100g–1kg of material per trial.

A laboratory extruder is optimized for precision, repeatability and minimal material use (0.5–200 kg/h, 0.5–1.2㎡ footprint), while a production extruder is optimized for throughput (100–2,500 kg/h) and uptime. Lab machines record the process data needed for scale-up; production machines replicate those validated parameters at scale.

A single screw laboratory extruder has one rotating screw — ideal for simple melting and forming tests of PE, PP and PS at entry-level cost. A twin screw laboratory extruder uses two intermeshing screws for high-shear mixing, suited to compounding, reactive extrusion and multi-component formulations. Choose single screw for basic plasticizing; choose twin screw when you need 95%+ mixing uniformity for masterbatch, modified plastics or biodegradables.

The UET laboratory extruder processes thermoplastics (PE, PP, PVC, PS, ABS), engineering plastics (PA, PC, POM, PEEK), biodegradable polymers (PLA, PBAT, PHA), functional masterbatches, high-viscosity composites and medical-grade polymers. Custom screw configurations extend compatibility to niche materials, and the specialized model handles heat-sensitive PVC with 40% less thermal degradation.

The twin screw laboratory extruder holds ±0.3°C with multi-zone independent PID control. Each heating zone responds independently to stabilize melt temperature, preventing degradation of sensitive polymers like PLA and PVC and ensuring the batch-to-batch repeatability required for publication-grade research data.

Yes. The specialized laboratory extruder uses a low-shear screw geometry and ±1°C temperature control to reduce thermal degradation by 40%, while high-strength screws and drive systems reliably convey high-viscosity materials such as PEEK, silicone-modified polymers and hot melt adhesives without surging or blockage.

China has the world’s most complete extrusion manufacturing ecosystem, offering 20–35% lower factory-direct pricing, fast customization and mature export logistics. A verified Chinese supplier like UET adds CE/ISO/SGS compliance, in-house machining, pre-shipment test runs and 24/7 engineer support — combining cost advantage with international-grade quality.

Yes. UET laboratory extruders share the same screw geometry principles and L/D configurations as our production twin screw lines, so temperature profiles, screw speed and shear rates transfer directly — typically cutting pilot validation time by 50% or more.

Standard laboratory extruder models need only 0.5–1.2㎡ of floor space and a 3-phase 380V/50Hz supply with a 16A breaker (custom voltages available). Noise is ≤65dB, so no sound insulation is needed, and the sealed hopper keeps lab conditions clean.

Laboratory extruder pricing depends on screw diameter, L/D ratio and configuration — entry single screw models start around $8,000 while fully customized twin screw systems reach $50,000. Standard models ship in 1–2 weeks; customized configurations take 4–6 weeks plus 7–15 days international shipping. Send your requirements for an itemized quote within 2 hours.

Every UET laboratory extruder includes a 12-month machine warranty, 24-month screw and barrel warranty, 24/7 remote engineer support, commissioning training and lifetime spare parts at cost price. Wearing parts are standardized and tool-free to replace, minimizing downtime.

Scale Up

Related Extrusion Equipment

Move your validated lab formulation to full production with the matching UET platform.