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Contact Person Mr. Xiaoyong
XIDIAN INDUSTRIANL ZONE, NINGBO, ZHEJIANG PROVINCE
Description: White crystals or white crystalline power Specifications: 1)Content:*9.5% min 2)Specific roration,[a] *0D: **1.8° - **2.8° 3) Heavy metal (Pb): 0.**1% max 4) Loss on drying: 0.2% max 5) Sulphate (SO4):0.2% max 6)Melting point:**4°***0° 7)Arsenic (As): 2ppm max