|
Characteristic: Good handle, smooth surface
|
|
Application: Tire
|
|
Typical properties of PU matrix
|
|
Name of products
|
Appearance
|
Viscosity (mPa·s/40℃)
|
Density (g·cm-3/40℃)
|
Package(kg)
|
/
|
|
A-3070
|
Liquid
|
1000~1400
|
1.01~1.02
|
18
|
|
B-8280
|
Yellowish transparent liquid or waxy
|
800~1200
|
1.08~1.2
|
20
|
|
Materials preheat
|
|
A-3070: preheated at 50~60℃ for 6~8 hours.
|
|
B-8280: preheated at 50~60℃ for 10~12 hours.
|
|
Typical processing parameters & Reaction parameter
|
|
Items
|
A/B Materials Temperatures(℃)
|
A+C/B Mix ratio
(By weight)
|
Cream Time (s)
|
End of Rise Time (s)
|
Free Rise Foam Density(g/cm3)
|
Mold Temperature(℃)
|
Demold Time(min)
|
|
Parameter
|
40~45/38~42
|
100/101~103
|
8~10
|
60~70
|
0.24~0.26
|
45~55
|
5~7
|
|
The adding content of C-2 should be 250g±10g/18kg
|
|
The adding content of water should be 0~90g/18kg according to the reality
|
|
The adding content of hardener should be 0~600g/18kg according to the reality
|
|
Wheel Polyurethane Casting Resin
Physical properties
|
|
Items
|
Molded Density
(g/cm3)
|
Hardness
(Shore A )
|
Tensile strength
(MPa)
|
Elongation
(%)
|
Tear Strength
(kN/m)
|
|
|
|
|
|
|
Physical properties
|
0.50~0.70
|
55~68
|
7.5~9.0
|
340~450
|
24~33
|
|
|
|
Demold time may be prolonged with the increase of sole thickness.
|
|
These physical data are acquired by testing a sample of 6mm thick.
|
|
Data listed above are just for reference. The detail data are subjected to practical production. If other requests for physical properties, please contact us.
|
Contact Now
