High-performance cast polyurethane elastomer systems for elevator and escalator rollers — guide rollers, counterweight rollers, door & step rollers and roller guide wheels. Solid cast PU runs quietly and smoothly, damps vibration for a comfortable ride, and resists wear far longer than rubber while staying non-marking on the rail. Hardness and chemistry tuned to your load, speed and noise target.
A60–D75
Hardness Shore
20–80
Abrasion loss mm³ DIN 53516
35–55%
Rebound / quiet running
60–120
Tear strength kN/m
−40~120
Service temp °C
Key Features
Quiet, smooth running Resilient PU tread damps vibration and noise for a comfortable ride.
High abrasion resistance Long service life against continuous rail contact and cycling.
Non-marking on rails Cleans-running tread that protects the guide rail surface.
High load capacity Carries car and counterweight loads with low rolling resistance.
Strong hub bonding Cast PU bonds firmly to steel / nylon hubs and bearing cores.
Customizable hardness & color Tread hardness, diameter, profile and color to spec. OEM/ODM.
Also produced from the same systems: escalator step & chain rollers, handrail rollers, tension & deflector pulleys and custom roller treads for major elevator and escalator systems.
Technical Specifications
Property
Range
Test Method
Hardness
Shore A 60 – Shore D 75
ASTM D2240
Tensile strength
20–55 MPa
ASTM D412
Elongation at break
250–650%
ASTM D412
Rebound resilience
35–55%
ASTM D2632
Tear strength
60–120 kN/m
ASTM D624
Abrasion resistance
20–80 mm³
DIN 53516
Compression set
< 25% (70 °C / 22h)
ASTM D395
Operating temperature
−40 °C to +120 °C continuous
ISO 9142
Parameters customizable by formulation; typical values for reference, not a binding specification.
Casting Processes
Hub Over-Casting Cast PU tread bonded directly onto steel / nylon hubs and bearings.
Open-Mold Casting For roller treads, tyres and simple profiles.
Centrifugal Casting Void-free cylindrical treads for precision rollers.
Automated Casting Compatible with PU casting machines and automated dispensing.
Packaging, Storage & Handling
Packaging Prepolymer and curative supplied in iron drums; palletised for export. Bulk on request.
Storage Store sealed in a cool, dry, ventilated area away from moisture. Shelf-life details on request.
Handling & Safety Avoid eye/skin contact; wear safety glasses. Wash skin with soap and water; flush eyes with water and seek medical attention. Full MSDS on request.
One-Stop PU Elastomer Solution
Beyond raw materials, BlendPolyol provides matched equipment and tooling — a complete production-line partner, not just a chemical supplier:
10+ years in PU raw materials Specialised PU elastomer & polyol manufacturer serving industry worldwide.
Custom formulation Tread hardness, profile and color tuned to your roller and ride target.
Equipment integration Casting machines, mixing systems and roller moulds as a complete solution.
Global export & fast reply Export to EU, Latin America, Asia and beyond — we respond within 24 hours.
From Sample to Bulk Order
1. Share your roller Tell us diameter, load, speed and noise target — we recommend a tread system.
2. Sample & validate Trial-cast rollers; we fine-tune hardness, profile and bonding.
3. Scale to bulk Confirm the formula and order in bulk with flexible MOQ and tiered lead times.
Frequently Asked Questions
Why PU rollers instead of rubber?Cast PU runs quieter and damps vibration like rubber, but resists abrasion far better — so rollers last longer and keep the ride smooth and low-noise.
Which hardness gives the quietest ride?Softer treads run quieter and absorb more vibration; harder treads carry higher loads with less deflection. We balance the two for your car weight and speed.
Can the PU be bonded to our hubs?Yes. Our systems bond cast PU treads directly onto steel and nylon hubs and bearing cores for durable, true-running rollers.
Do you supply raw material or finished rollers?Our core product is the PU elastomer raw-material system; we also offer matched casting machines and moulds so you can produce rollers in-house. We reply within 24 hours.
Need PU elastomer for elevator rollers?
Get a tailored formulation, full TDS & MSDS, and a sample for casting validation.
✓ Quiet, non-marking tread✓ TDS · MSDS · COA✓ Reply within 24 h
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