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Self-Skinning PU for Handles, Grips, Helmets & Sports Parts
Versatile self-skinning (integral-skin) PU for moulding grab handles, tool grips, protective helmets, fitness rollers, medical grips & bicycle saddles — leather-look skin over a soft core in one shot.
A versatile two-component self-skinning (integral-skin) polyurethane raw-material system for moulding soft-touch products with a tough leather-look skin — grab handles & pulls, tool & equipment grips, protective helmets & headgear, fitness rollers, medical-device grips and bicycle saddles. The dense outer skin and cushioned core form in a single shot, giving durable, comfortable, easy-clean parts in any colour — no separate cover or coating.
Self-skin
tough skin + soft core
One-shot
moulded no cover
100:42–45
polyol : ISO ratio
Any colour
in-mould pigment
2-part
polyol + isocyanate
Key Features
Tough leather-look skin A dense, abrasion-resistant skin forms over a soft core in one mould — no painting or wrapping.
Comfortable, secure grip Soft-touch surface gives a warm, non-slip feel on handles, grips and saddles.
Impact & shock absorbing The cellular core cushions impacts — ideal for protective helmets and headgear.
Durable & easy to clean Resists scuffs, sweat and stains; wipes clean — suited to sports and medical use.
Mouldable into any shape Good flow reproduces complex grips, ribs and ergonomic forms with crisp detail.
Custom colour & hardness In-mould colour and tunable density/feel for each product. OEM/ODM supported.
Also moulded from this system: bicycle & motorcycle saddles, medical-device grips and supports, exercise-equipment handles, stroller & pram grips, and other ergonomic soft-touch parts. For armrests see our furniture armrest grade; for car interiors, the automotive grade.
Technical Specifications
Item
Specification
Type
Self-skinning (integral-skin) PU, two-component
Appearance (polyol)
Milky white viscous liquid
Viscosity
1100 ± 100 mPa·s
Mixing ratio (polyol : ISO)
100 : 42–45
Cream / gel / rise time
~17 s / ~70 s / ~85 s
Free-rise density
200 ± 50 kg/m³ (tunable)
Mould temperature
40–45 °C
Density, hardness and colour tunable by formulation; typical values for reference, not a binding specification.
Processing
Moulded Self-Skinning Pour into a heated mould (40–45 °C); skin forms against the wall, demould in minutes.
Insert Over-Moulding Foam-in-place around metal cores, rods and frames for handles and saddles.
Two-Component System Polyol : isocyanate = 100 : 42–45 by weight.
Machine Compatible Runs on low- and high-pressure PU foaming machines.
Packaging, Storage & Handling
Packaging Polyol and isocyanate supplied in iron drums; palletised for export. Bulk on request.
Storage Keep sealed and dry; isocyanate reacts with moisture. Store cool, indoors, away from direct heat.
Handling & Safety Avoid eye/skin contact; wear safety glasses and use ventilation. Full MSDS on request.
10+ years in PU raw materials Specialised blended-polyol & PU systems supplier serving industry worldwide.
Custom formulation Skin, density, hardness and colour tuned to each product.
Equipment integration Foaming machines, moulds and process support 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 part Tell us the product, shape and colour — we recommend a formulation.
2. Sample & validate Trial-mould parts; we fine-tune skin, density and demould time.
3. Scale to bulk Confirm the formula and order in bulk with flexible MOQ and tiered lead times.
Frequently Asked Questions
What products can it make?Grab handles & pulls, tool & equipment grips, protective helmets & headgear, fitness rollers, medical grips, bicycle saddles and other soft-touch ergonomic parts.
Is it a finished part or a raw material?It is a two-component raw-material system (polyol + isocyanate). Moulded, it self-skins into a finished part with a leather-look skin.
Can colour, hardness and shape be customised?Yes. In-mould pigment gives any colour, your mould defines the shape, and density / hand feel are tunable by formulation.
What is the cycle time?Cream ~17 s, gel ~70 s, rise ~85 s at a mould temperature of 40–45 °C — suited to high-volume production.
Need self-skinning PU for handles, grips & protective parts?
Get a tailored formulation, full TDS & MSDS, and a sample for moulding validation.
✓ Leather-look self-skin✓ TDS · MSDS · COA✓ Reply within 24 h
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