Zinc Sulphate

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Zinc Oxide (Indirect Method) Index Item Index Type I Type II Super Grade Grade1 Qualified Grade Super Grade Grade1 Qualified Grade Zinc oxide %≥ 99.70 99.50 99.40 99.70 99.50 99.40 Metallic metals (as Zn) %≤ None None 0.008 None None 0.008 Lead oxide (as pb) %≤ 0.037 0.05 0.14 - - - Manganic oxide (as Mn) %≤ 0.0001 0.0001 0.0003 - - - Copper oxide (as Cu) %≤ 0.0002 0.0004 0.0007 - - - Insolubles in HCL solution%≤ 0.006 0.008 0.05 - - - Losses on ignition %≤ 0.2 0.2 0.2 - - - Screening residues (through 45μm mesh) %≤ 0.10 0.15 0.20 0.10 0.15 0.20 Soluble matters in Water %≤ 0.10 0.10 0.15 0.10 0.10 0.15 Volatile matters at 105°C %≤ 0.3 0.4 0.5 0.3 0.4 0.5 Oilabsorption g/100g ≤ - - - 14 14 14 Colour (compared with standard specimen) - - - Similar Few Little Colour killing ( Compared with standard specimen) %≥ - - - 100 95 90 Uses:For paint,printing ink,rubber,cable, medicines,electronics ,papermaking ,enamel,match,cosmetic and other chemical industry application. Packing: 25kg, 50kg, big sack bag or as required by the customer.

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Hebei Zhongao Chemicals Imp and Exp. Co.,Ltd

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