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flexible foam polyether polyol
flexible foam polyether polyol

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1)Used for great seating combination material
2)Long sevice life
3)Good resistance to impact

 

1.1 Commodity Systems: High resilience polyurethane foam composite raw material 

1.2 Model: SH-8004

 

1.3 Application:

SH-8004 polyurethane foam composite raw material is principally used for manufacture automotive seats, motorcycle seats, cushions, pad and etc.

 

1.4 Introduction:

High resilience polyurethane system is considered to be an advanced technology type of foam plastics, produced by cold cure method extensively applied in automotive manufacturer plants and furniture factory.

2.1 Figure
Component A: in the room temperature is a white liquid
Component B: in the room temperature is a dark liquid.

After the merger it will be transparent, slightly opalescent liquid.

 

2.2 Physical-chemical properties

Component A 

Component B

Parameter

Value

Parameter

Value

Hydroxyl Value(Mg • HOK/g)

42± 3

Content of NCO groups (%)

38 - 42

Viscosity at 25 ° C (mPa • s)

800 ± 200

Viscosity at 25 ° C (mPa • s)

6 - 30

Specific Gravity at 25° C (g/cm3)

1.09 ± 0.05

Specific Gravity at 25° C (g/cm3)

1.22 - 1.24

 

2.3 Technological features of the systems

 

Unit

Value

Processing temperature:
Component A
Component B


°C
°C


25
25

Mix ratio A / B

 

100/35

Creaming time

sec

9 – 12

Gel time

sec

55 – 65

Rise time

sec

480

 

2.4 Foaming properties

Parameter

ME

Value

Testing method

Apparent density

kg/m3

40 - 70

TB/T2402 - 93

Elongation at break

%

≥70

TB/T2402 - 93

Tensile Strength

%

≥70

TB/T2402 - 93

Compressive load 50%

%

≥3.5

TB/T2402 - 93

Compression set 50%

%

≤8.0

TB/T2402 - 93

Resilient rate

%

≥50

TB/T2402 - 93

Oxygen index

%

≥25

TB/T2402 - 93

Burning at 45 degree corner

 

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