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連絡先担当者 Mr. lidong
Leshan, Qinhuangdao, Hebei
Purity: *7.0% min Sulfur Dioxide: *5.0% min Water Insolubles: 0.1% max pH Value: 4.**4.6 Iron (as Fe): *0ppm max Main purpose: Dyeing mordant, dechlorinating agent for washed fabric, medical deoxidizer and sulfonating agent, bone black for bamboo, wood and paper fiber, non-ferrous mineral separation agent, waste water disposing agent, rubber coagulator.
