Polyurethane adhesives

Polyurethane adhesive composite raw material is maily used to create excellent bonds over a wide range of materials
Physical property
Class A raw material
Class B raw material
Item
Index
Item
Index
Hydroxyl value(Mg·KOH/g)
450
+
50
-NCO Purity(%)
30~33
Viscosity(25°C)(Mg·pa·s)
400
+
100
Viscosity(25°C)(Mg·pa·s)
200~40
Proportion(25°C)(g/cm3)
1.21
+
0.05
Proportion(25°C)(g/cm3)
1.235~0.02
Weight distribution: SH-8001A A: B=100:100~115)
SH8001B A:B=100:150

Response time: (laboratory data, material temperature 25°C)
Response Time
SH-8001A and SH-8001B)
CT(creaming time)(sec)
10~12
GT(gel time)(sec)
18~20
RT(rise time)(sec)
22~25
TFT(track-free time)(sec)
35~40