Casting CPU

Casting CPU.
1.CPU-2079:Hardness-80A /PPG Series
2.CPU-1085:Hardness-85A /PPG Series
3.CPU-1090C:Hardness-90A /PPG Series
PPG + TDICasting CPU
Introduction
"PU Casting Elastomer" urethane elastomer can be cured by reacting with a polyamine or a polyolhardener. The molding process is composed of pre-heating, degassing, maxing with a hardener, pouring into the mold, curing, demolding and after curing.

CPU - 1060
CPU - 1070
CPU - 2079
CPU - 1090C
CPU - 2095
CPU - 2172
NCO Content (%)
2.3 ± 0.1
3.5 ± 0.1
3.8 ± 0.1
5.1± 0.1
5.8 ± 0.1
8.0 ± 0.1
(CPS/40
o
C)Viscosity
1,500-
4,000
6,000-12,000
9,000-14,000
15,000- 25,000
8,000- 15,000
25,000- 40,000
PHR of MOCA(%)
7
10.5
11
12.5
16.7
23.1
Working Temperature
(Prepolymer) (
o
C)
100
100
100
85
85
85
MOCA Temp.
110
110
110
110
110
110
Mold Temp. (
o
C)
100
100
100
100
100
100
Pot-Life (Min)
30
5
11
10
5
2.5
Hardness A
60 ± 5
70 ± 3
80 ± 2
90 ± 2
95 ± 2
66 ± 5D
Tensile Strength(kg/cm
2
)
30-70
70-120
100-150
200-300
200-350
250-350
Elongation (%)
400-500
500-650
550-600
500-600
350-450
150-300
Tear Strength(kg/cm)
20-60
50-90
80-110
90-130
120-160
160-220
Casting CPU