Forming Silicone resin X-40-2667A X-40-2756
Silicone used as a molded product, the product list has a silicone composition of X-40-2667A/B and X-40-2756 which are 100% heat resistant. In particular, X-40-2756 has a higher Tg than conventional products and is excellent in workability because it can be cured in one liquid.
X-40-2667A (two-component addition curing silicone)
Excellent heat resistance
X-40-2756 (one-component addition curing silicone)
Excellent heat resistance and low water absorption
Forming Physical characteristics
|
Items |
X- 40-2667A |
X- 40-2756 |
Epoxy |
alicyclic Epoxy |
|
curing method |
addition curing |
Anhydride curing |
||
|
Standard curing conditions |
105°CX2h + 170°CX2h |
200°CX16h (no sticky 1h) |
105°CX2h + 170°CX2h |
|
|
Hardness Shore D |
70 |
67 |
85 |
88 |
|
Bending modulus MPa |
1110 |
707 |
2940 |
3020 |
|
Tg °C |
48 |
150 |
150 |
193 |
|
Volume change rate due to curing % |
-3.3 |
-3.1 |
-1.7 |
-5.3 |
Curing Physical property comparison chart
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