Polyurethane Blend Polyether Polyol for Car seat

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Quick Details

  • Place of Origin: China (Mainland)

  • Type:Other

  • Model Number:DHR-A/B

Packaging & Delivery

Packaging Details:200kg/drum, 4 drums per pallet
Delivery Detail:within 14 days after receipt of the payment/LC

Specifications

Polyurethane Blend Polyether Polyol for Car seat

High Resilience Polyurethane Blend Polyether 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

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