guoyinghan 发表于 2018-2-4 21:08:10

标准

ASTM D4671-1999

liuxilin1215 发表于 2018-2-7 15:49:37

ASTM D4671-16 Standard Test Method for Polyurethane Raw Materials: Determination of Unsaturation of Polyols

http://bbs.infoeach.com/thread-187751-1-1.html

weiqiqi 发表于 2018-2-7 16:32:54

http://bbs.infoeach.com/forum.php?mod=viewthread&tid=187759&extra=   ASTM D4671-99 Standard Test Methods for Polyurethane Raw Materials: Determination of Unsaturation of Polyols
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