兑水 发表于 2009-12-5 07:44:41

ASTM F 2023-2005 交联聚氯乙烯（PEX）管道和系统对含氯...

F2023-04 Standard Test Method for Evaluating the Oxidative Resistance of Crosslinked Polyethylene (PEX) Tubing and Systems to Hot Chlorinated Water
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