|
Written by Administrator
|
|
Thursday, 25 February 2010 08:24 |
|
There are no translations available.
|
|
| |
|
PU Casting Elastomer Prepolymer
|
|
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 - 42L |
CPU - 100L |
CPU - 167L |
CPU - 325L |
| NCO Content (%) |
2.9 ± 0.2 |
4.2 ± 0.1 |
6.3 ± 0.1 |
9.1 ± 0.1 |
| (CPS/40oC ) Viscosity |
45,000- 65,000 |
10,000- 30,000 |
6,000- 12,000 |
10,000- 25,000 |
| PHR of MOCA (%) |
8.3 |
12.5 |
18.2 |
26.3 |
| Working Temperature (Prepolymer) (oC) |
100 |
100 |
85 |
85 |
| MOCA Temp. |
110 |
110 |
110 |
110 |
| Mold Temp. (oC) |
100 |
100 |
100 |
100 |
| Pot-Life (Min) |
12 |
11 |
6 |
2.5 |
| Hardness A |
80 ± 2
|
90 ± 2
|
95 ± 2
|
70 ± 2D |
| Tensile Strength (kg/cm2) |
290-430 |
300-450 |
350-500 |
350-500 |
| Elongation (%) |
545-645 |
400-500 |
350-450 |
250-350 |
| Tear Strength (kg/cm) |
65-105 |
80-120 |
120-160 |
210-260 |
|
|
|
| |
|
|
|
|
Last Updated on Saturday, 27 February 2010 14:59 |
