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High Resilience Polyurethane Flexible Foam Blend Polyols
- Shanghai
- T/T
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Product Details
| Place of Origin | Shanghai, China | Type | Other | |
| Brand Name | DONGDA | Model Number | DHR-A/B |
Product Description
Specifications
High Resilience Polyurethane Flexible Foam Blend PolyolsHigh Resilience Polyurethane Flexible Foam Blend Polyols
DHR-A/DHR-B
Introduction
DHR-A (Part A) adopts all-water technology, it consists of hyperactivity polyether polyol and POP, cross-linking agent, foaming agent, flame retardant and catalyst etc.
Part A reacts with DHR-B(part B), adopting cold moulding technology to make cold curing polyurethane foam, which has good mechanism(high resilience, low lag loss) and high compressive strength and load ratio(sag factor).
It has excellent comfortable for seating touch, good anti-fatigue property, feel as latex surface, nice air permeability and flame retardant performance, with high productivity, low power, which widely applies to autocars,
autobicycles, , trains, airplanes, furnitures etc., which applies to saddles, backrests, mattresses and pillow etc.
Typical properties
| Part A DHR-A | Part B DHR-B |
Appearance Hydroxyl value mgKOH/g Dynamic viscosity(25°C) mpa.s Density(20°C) g/ml Storage temperature °C Pot life* month | Milk white viscous liquid 45±10 1200±200 1.05±0.05 15-25 6 | Dark brown transparent liquid / 210±5 1.22±0.05 15-25 12 |
*In recommended temperature, storing in dry galvanization iron drum.
Recommended Ratio
| pbw |
DHR—A(Part A) DHR-B(Part B) | 100 35-45 |
Reactivity Property(Material temperature is 20°C)
The actual value is varied by process condition and requirement of customers
| Manual | Machine |
Cream time s Gel time s Mould temperature °C Demould time min Free foam density kg/m3 | 8—15 50—70 35—55 6 30—40 | 6—12 40—60 35—55 5—6 28—38 |
Typical foam performance
| unit | index | index |
Moulding density Tensile strength Elongation rate Rebound rate Tear strength 75% compression set(70°C,22h) Compression by 25% hardness Compression by 65% hardness 65%/25% sag ratio | Kg/m3 Kpa % % N/cm % N/314cm2 N/314cm2 | 40 100 110 60 1.8 8 120 320 2.7 | 65 130 100 58 2.51 8 180 470 2.6 |
Contact Us
- Shanghai Dongda Polyurethane Co., Ltd.
- Contact namePan Li Chat Now
- Phone86-21-57248959,15900416162
- AddressNo. 307, Shanning Road, Shanyang Town
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