Silcone elastomer-forming compositions

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

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428447, 524449, 524588, 524860, 524268, 525477, 525474, 528 24, 528 32, B32B 900, C08K 334, C08G 7704

Patent

active

048001244

ABSTRACT:
A composition which is curable to an elastomer comprising (1) a siloxane gum having a Williams plasticity of at least 100 mm/100 at 25.degree. C., (2) a reinforcing silica filler, (3) a copolymer of R.sub.3 SiO.sub.0.5 units and SiO.sub.2 units in which R represent a monovalent hydrocarbon group having less than 7 carbon atoms, (4) mica and (5) an organic peroxide curing agent.
The compositions are useful for providing fire resistant insulation on electrical equipment.

REFERENCES:
patent: 3772239 (1973-11-01), Burns
patent: 4269757 (1981-05-01), Mine et al.

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