Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
138DIG7, 385147, 428344, 428377, 4284231, 428441, 428906, 525123, B32B 0000
A waterproofing agent for an optical or electric cable, formed of a cross-linked macromolecular compound containing a sulfonic acid group or a salt thereof in an amount of not less than 0.5 mg. equivalent/g and a dissociating group in an amount of not less than 1.0 mg. equivalent/g, and a method for waterproofing said cable by packing said waterproofing agent in the sheath of said cables.
patent: 4865914 (1989-09-01), Malhotra
Behr Omri M.
McDonald Matthew J.
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
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