| http://www.w3.org/ns/prov#value | - R radicals, -O(CH ),,OR radicals, ll OCH radicals and if OCR radicals wherein each R is a monovalent alkyl radical having from 1 to 3 inclusive carbon atoms, and c has a value of from 1 to 3 inclusive; a has an average value of from 0 to 2 inclusive; b has a value from 2 to 4 inclusive; m has a value such that at least 2 mol percent of the silicon atoms have at least one 2 b a B-a radical and
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