How to improve silicone rubber parts compression set?
How to improve silicone rubber parts compression set?
(OP)
Dear friends kindly let me know how can I improve silicone rubber parts compression set?.
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How to improve silicone rubber parts compression set?
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How to improve silicone rubber parts compression set?How to improve silicone rubber parts compression set?(OP)
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RE: How to improve silicone rubber parts compression set?
RE: How to improve silicone rubber parts compression set?
Thank you very much for your helpful guidance, our formulation is for extrusion as bellow items:
1-Silicone gum rubber-----------150.00k
2-precipitate silica------------105.00k
3-Hydroxyl oil(silicone oil)------6.50k
4-Stearic acid -------------------0.60k
5-Aerosil 200(fumed silica)-------2.00k
TOTAL----------------------------264.100K
Catalyst is 2,4 Dichlorobenzoyl peroxide--1.5 %
If I need to change or replace any item please let me know.
Thanks
RE: How to improve silicone rubber parts compression set?
Johnnymat
RE: How to improve silicone rubber parts compression set?
RE: How to improve silicone rubber parts compression set?
Curative absorption by silica may not be as pronounced as it can be in sulphur cured rubbers but adding triethanolamine or a more advanced silane agent may be worth trying. Cannot really appreciate why there is a very small level of fumed silica in addition to the main pptd type.
RE: How to improve silicone rubber parts compression set?