Imitation wood rigid polyurethane foam

SH-8008 type is two-component rigid polyurethane foam combination material which is specialized for producing imitation wood PU
Physical property
Team A raw material
Team B raw material
Item
Index
Item
Index
Hydroxyl value(Mg·KOH/g)
450
+
50
-NCO Purity(%)
30~33
Viscosity(25°C)(Mg·pa·s)
800
+
200
Viscosity(25°C)(Mg·pa·s)
200
+
40
Proportion(25°C)(g/cm3)
1.180
+
0.05
Proportion(25°C)(g/cm3)
1.235
+
0.02
Weight distribution: SH-8008A A:B=100: (100~120)
SH-8008B A:B=100(100~110)

Response time: (laboratory data, material temperature 25°C)
Response Time
SH-8008A
SH-8008B
CT(creaming time)(sec)
30~35
28~32
GT(gel time)(sec)
80~105
65~72
RT(rise time)(sec)
100~110
95~102
DMY(demould time)(sec)
480~60
300~60
Foam Performance:
Item
SH-8008A
SH-8008B
Test Method
Free density(kg/m3)
150~300
70~150
ISO845
global density(kg/m3)
250~500
80~250
ISO845
heat conductivity(W/m·K)
0.07~0.08
0.06~0.07
ISO2582
Products contractibility rate(%)
0.4~0.6
0.5~0.7
GB8813-88
surface hardness(D)
35~55
25~45
ASTMD2240-68
heat-resisting(°C)
70~110
70~110
ASTMD648-56
breaking strength(Mpa)
20~25
25~30
ASTMD790-70