... , Swimming Pool Water Treat,etc. QINGDAO QIANCHENG MINERALS CO., LTD.YOUFANGTAIZI VILLAGE (HETOUYUAN INDUSTRYZONE), JIAOZHOU, QINGDAO, CHINA Tel ... Calcined Filter AidFe2O3≤1.5%Specific Gravity2.3 g/cm³CaO≤0.6%Moisture≤1. ... 0%MgO≤0.5%Loss On Ignition≤3%Others≤0.8%PH5-10Pb, mg/kg ... to health by prolonged exposureExporter/Shipper: Qingdao Jiameng Import & Export Co., Ltd.16-1, No.48, Luzhou Road,Jiaozhou, ...