Porous encapsulating composition for electrical apparatus

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter

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428407, B32B 516

Patent

active

043562370

ABSTRACT:
A porous encapsulating composition is formed of particulate filler material which is cohesively bonded together by a binder material which forms beads around the points of contact between contiguous particles. In one embodiment, the filler material includes round gravel and resin-coated sand particles with the resin being redistributed to form beads around the points of contact between contiguous particles.

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