Cold-Feed Rubber Extrusion
Cold-Feed Rubber Extruder Machine
Wear-resistant core with stable pressure for natural & synthetic rubber. Precision profiles, continuous 24/7 operation, factory-direct from UET.
80–2,200 kg/h Output
60–180 mm Screw Dia.
≤75 dB Noise
CE Certified
ISO 9001:2015
SGS / BV Inspection Welcome
24/7 Engineer Support
24-Month Core Warranty
Introduction
What Is a Rubber Extruder?
Definition & Overview
A rubber extruder is a continuous forming machine that converts raw rubber compound into uniform profiles with precise cross-sections. Unlike batch mixing, extrusion is a continuous process ideal for mass production of seals, hoses, tubing and custom profiles.
The machine uses a rotating screw inside a heated barrel to plasticize, mix and pressurize the rubber compound, then forces it through a shaped die. The extruded profile is immediately cured in a vulcanization line (microwave, salt bath or hot air) to reach final mechanical properties.
Cold-feed rubber extruders, like those manufactured by UET, process room-temperature compound directly without preheating mills — delivering higher precision (±0.02 mm), lower energy consumption and consistent quality across shifts.
80+Rubber Types
±0.02mmProfile Tolerance
24/7Continuous Operation
25%+Energy Savings
Machine Components
Key Parts of a Rubber Extruder
Eight core components decide machine quality, precision and maintenance cost — all machined or verified in-house at UET.
Drive System
High-efficiency motor and precision gearbox deliver stable screw speed and torque for consistent output.
Screw & Barrel
Wear-resistant nitrided/bimetallic core with optimized geometry for uniform plasticizing without scorching.
Feeding System
Anti-bridging hopper and feed roller give continuous volumetric delivery of strip or pellet compound.
Heating & Cooling
Multi-zone closed-loop temperature control (±1°C) keeps melt viscosity stable during 24/7 running.
Die Head
Custom-engineered die tooling forms the target cross-section; quick-change design swaps molds in ≤15 min.
Pressure Stabilizer
Stabilizing pump holds constant head pressure, cutting start-up scrap and holding ±0.02 mm tolerance.
Control Panel
Multi-language PLC/HMI with 100+ stored recipes, real-time monitoring and remote diagnostics.
Frame & Safety
Heavy-duty base frame with CE-compliant guards and emergency stops for safe continuous operation.
Working Principle
How Does a Rubber Extruder Work?
Four controlled stages turn raw compound into continuous precision profiles — no preheating mill required.
1
Feeding
Strip or pellet compound enters the hopper; the feed roller delivers it continuously into the barrel with no bridging.
2
Plasticizing
The rotating screw shears and compresses rubber across heated barrel zones, reaching uniform plasticity without scorching.
3
Metering & Pressurizing
The metering zone builds stable head pressure and removes trapped air, delivering homogenous melt at constant flow.
4
Die Forming & Curing
Melt passes through the custom die into the target profile, then enters microwave / salt-bath / hot-air vulcanization.
Rubber Extruders for Sale
Rubber Extruders for Sale: Three Proven Configurations
Professional-grade cold-feed extruders, easy to operate and reliable for long-term continuous running.
Best Seller
High Precision Smart Rubber Extruder
Precision temperature control and die fine-tuning for automotive-grade seals and pipes, tolerance ≤±0.02 mm.
- Multi-language HMI interface
- Closed-loop temperature control
- CE certified, video inspection
High Efficiency Energy Saving Extruder
15%+ lower energy consumption, ≤75 dB noise, built for 24-hour continuous stable operation.
- Optimized screw & drive
- Mold change ≤15 minutes
- CE environmental compliance
Multi-Material Compatible Extruder
Handles 10+ rubber formulas with intelligent parameter storage for 100+ process schemes.
- EPDM / NBR / silicone ready
- Corrosion-resistant barrel
- One-touch recipe recall
Competitive Advantage
Why Processors Choose UET Rubber Extruders
Six engineering advantages that directly impact your production efficiency, quality consistency and operating costs.
01
Precision Control
±0.02 mm tolerance via closed-loop temperature control (±1°C) and optimized screw-barrel mating.
02
Energy Saving
25%+ lower specific energy consumption versus conventional extruders through high-efficiency drive and barrel insulation.
03
Fast Changeover
Die swap in ≤15 minutes with 100+ stored process recipes for multi-specification production.
04
Less Waste
Stable head pressure and volumetric feeding cut start-up and running scrap by 15%+.
05
Easy Maintenance
Modular barrel design and wear-resistant core allow wearing parts swap without special tools.
06
Wide Compatibility
One platform handles EPDM, NBR, SBR, silicone and high-fill recycled compounds with preset recipes.
Materials & Applications
What Can You Produce with a Rubber Extruder?
From automotive seals to medical tubing — one platform, many end products across industries.
Automotive Seals
Weather stripping, door and window seals, windshield gaskets holding OEM dimensional standards in EPDM and NBR.
Industrial Hoses
Hydraulic, air and coolant hoses with stable multi-layer extrusion, reinforced with textile or steel wire braiding.
Construction Gaskets
EPDM gaskets, expansion joints and waterproofing profiles at high volume with UV and weather resistant compounds.
Cable Insulation
Rubber jacketing with precise diameter control for electrical cables, using silicone and EPR insulation compounds.
Medical Tubing
Silicone tubing with ultra-fine tolerance and clean surface finish, biocompatible materials, ISO 13485 ready.
Custom Profiles
Any continuous rubber profile — strips, cords, edges, sponge rubber and specialty shapes for OEM customers.
Engineering Data
Rubber Extruder Technical Specifications
Complete parameters for UET rubber extruder systems.
| Attribute | Specification |
|---|---|
| Core Components | High-efficiency motor, precision gearbox, pressure stabilizing pump |
| Automation | Auto feeding, intelligent temperature control, recipe storage |
| Certifications | CE, ISO 9001 |
| Warranty | 1-year whole machine · 24-month core components · lifetime spare parts |
| Applicable Industries | Automotive seals, construction gaskets, cable insulation, hoses |
| End Products | Rubber strips, seals, gaskets, hoses, profiles |
| Precision Tolerance | ≤ ±0.02 mm |
| Voltage | 380V / 415V / 440V, 50/60 Hz, 3-phase (customizable) |
| Noise Level | ≤ 75 dB |
| Quality Assurance | Pre-delivery video inspection & machinery test report provided |
Model Range
Rubber Extruder Models & Capacity Chart
Every model supports custom screw design, L/D ratio and voltage at no extra engineering fee.
Standard Series
Best ValueGeneral rubber compounds, small-to-medium output, first-time extrusion buyers.
- Simple touch HMI — operators master in a day
- Lowest initial investment of the three series
- Ideal for strips, seals and small profiles
- Fast spare-part supply at cost price
- UET6080–150 kg/h
- UET75120–220 kg/h
- UET90200–350 kg/h
- UET105300–500 kg/h
High Torque Series
24/7 RunningHigh-filler compounds (CaCO₃ ≤50%), continuous three-shift production.
- Enhanced gearbox rated for three-shift operation
- Bimetallic barrel resists abrasive high-fill compounds
- Stable torque at 50%+ filler loading
- Fast spare-part supply at cost price
- UET75-HT180–300 kg/h
- UET90-HT280–450 kg/h
- UET105-HT400–650 kg/h
- UET120-HT550–800 kg/h
Ultra Series
Max OutputMass production lines with advanced PLC control and downstream integration.
- Dual-drive option for heavy 24/7 loads
- Vulcanization, cutting & inspection matched
- On-site installation & operator training
- Advanced PLC with remote diagnostics
- UET120-Ultra700–1,000 kg/h
- UET150-Ultra1,000–1,500 kg/h
- UET180-Ultra1,500–2,200 kg/h
- Custom Ultra2,200+ kg/h
Buyer’s Guide
How to Choose the Right Rubber Extruder?
Cold vs hot feed, five selection checkpoints and transparent pricing — everything buyers ask us, in one place.
Cold-Feed Extruder UET Specialty
Processes room-temperature compound directly — the modern standard for precision products.
- No upstream preheating mill needed
- ±0.02 mm tolerance for automotive-grade parts
- 25%+ lower energy per kg of output
- Stable quality across shifts and operators
Hot-Feed Extruder
Requires preheated strip from a two-roll mill — suits simple, high-volume goods.
- Simpler structure, lower initial cost
- High throughput for low-precision products
- Needs extra mill, operator and floor space
- Quality varies with feed temperature
5-Point Selection Checklist
- Material & recipe — EPDM, NBR, silicone or high-fill compound defines screw geometry.
- Target output (kg/h) — pick a model running at 70–80% of its rated capacity.
- Product tolerance — automotive/medical parts need cold-feed + closed-loop control.
- Plant power standard — confirm 380/415/440V, 50/60Hz, 3-phase availability.
- Downstream plan — vulcanization line, cutter and inspection dictate layout length.
Rubber Extruder Price Range
US $18,000 – $180,000
Final price depends on screw diameter, L/D ratio, torque grade, die tooling and downstream integration. Standard models sit at the lower end; fully automated high-torque lines at the upper.
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Factory-Direct
Factory-Direct Manufacturing You Can Verify
Machined, assembled and test-run inside our 11,400㎡ facility — inspect in person or by live video before dispatch.
20+Years Engineering Extruders
5,600+Machines Delivered
11,400㎡Manufacturing Base
80+Export Countries
In-House Machining
Screws and barrels machined and heat-treated in our own CNC workshop — no outsourced core components.
72h Full-Load Test
Mechanical test plus trial run with your rubber compound before dispatch.
Transparent Inspection
Live video FAT or on-site inspection welcome; SGS / BV / TÜV third-party accepted.
Export Packing & Docs
Seaworthy packing with CE certificates and full shipping documents, door-to-door updates.
Customer Proof
Rubber Extruder Reviews from Real Production Lines
Verified feedback from buyers running UET rubber extruders worldwide.
★★★★★
“One year of continuous operation with extremely low failure rate. Extrusion precision of our specialty seals fully meets automotive standards — capacity up 30% versus our old line.”
Oliver HayesPlant Operations Manager · Automotive Seals
★★★★★
“Excellent plasticizing for fluororubber and silicone. Finished products come out smooth and burr-free with no secondary processing needed. Temperature control is precise.”
Chloe ReedR&D Technical Lead · Specialty Rubber
★★★★★
“On 50% CaCO₃ high-fill compound the plasticization is uniform and stability exceeds expectations — 25% more output than our previous brand, with lower noise.”
Ethan MorseGlobal Sourcing Director · Industrial Rubber
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Technical FAQ
Rubber Extruder FAQ
A rubber extruder is a machine that converts rubber compound into continuous profiles such as seals, hoses and tubes. The compound is fed into a heated barrel where a rotating screw plasticizes and pressurizes it, then forces it through a shaped die; the profile is finally cured in a vulcanization line.
UET rubber extruders handle natural rubber, EPDM, NBR, SBR, CR, silicone, fluororubber (FKM) and thermoplastic elastomers (TPE/TPV). The parameter storage system holds 100+ pre-set recipes for fast compound switching.
Continuous profiles including automotive weatherstripping, door and window seals, hydraulic hoses, EPDM gaskets, cable jacketing, silicone medical tubing, sponge rubber strips and custom OEM shapes — any product with a constant cross-section.
A cold-feed rubber extruder plasticizes room-temperature compound directly, delivering higher precision (±0.02 mm) and lower energy without an upstream mill. A hot-feed extruder needs preheated strip from a two-roll mill and suits simpler high-volume goods. UET specializes in cold-feed technology.
UET high-precision rubber extruders hold ±0.02 mm via closed-loop temperature control (±1°C), volumetric feeding and pressure stabilization. Standard models hold ±0.05 mm — sufficient for most industrial profiles.
With ordinary rubber compounds, nitrided or bimetallic screws and barrels typically last 3–5 years; with high-fill abrasive compounds, 1–2 years. UET’s wear-resistant core, 24-month core-component warranty and cost-price spare parts maximize service life.
Yes. UET rubber extruders link with auto feeding, in-line dimension inspection, auto cutting, continuous vulcanization (microwave / salt bath / hot air) and palletizing — all coordinated by PLC for one-operator production.
Every UET rubber extruder includes a 1-year whole-machine warranty, 24 months on screws, barrels and core components, 24/7 engineer response, lifetime spare parts at cost price, plus installation guidance and operator training.