FIELD: polymer materials.
SUBSTANCE: invention relates to manufacturing objects from filled thermosetting material, in particular to developing a composition for sealing members of forming equipment used to mold products from filled thermosetting material. Composition according to invention includes low-molecular weight dimethylsiloxane rubber and curing agent, namely mixture of tetraethoxysilane, 1.0-2.5%, and tin diethyldicaprylate, 1.0-5.0%.
EFFECT: achieved zero-defects filling of geometrically complicated and narrow canals, tightness of seal assembly of mold during filling thereof and curing of product, and integrity of structural members of product.
1 dwg, 1 tbl
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Authors
Dates
2007-07-27—Published
2006-02-26—Filed