الوصف

Zinc powder molecular formula: Zn molecular weight : *5.*8 Production methods: Atomization law capability: Zinc powder is that a kind of grey powder has very strong reduction ability , is so a kind of very important reducing agent. subdivision: *0 eye, **0 eyes and **5 eyes have special requirement as customer for size , can be processed alone. purpose: Wait for profession mainly used in paint, dyestuff, metallurgy, chemical engineering and pharmacy Quality standard: Carry out GB/T***0 - ***0 standards Chemical composition: Rank Chemical composition be smaller than Impurity do not be larger than Whole zinc Metal zinc Pb Fc Cd Acid non-soluble substance A level *8 *6 0.1 0.*5 0.1 0.2 2 levels *8 *4 0.2 0.2 0.2 0.2 3 levels *6 *2 0.3 - - 0.2 4 levels *2 *8 - - - 0.2 Note: Is taking containing zinc stock as the 4 level zinc powders of the production of raw material, it contains sulfur content, do not be larger than 0.5%. Size accords with following stipulation: Specifications Sift jade thing do not be larger than Particle size distribution, % do not be smaller than Biggest grain way μm Content, % *0 μ m below *0 μ m below FZn*0 *5 - *9.5 *0 FZn*5 *0 0.3 - - FZn*0 **5 0.1 - - FZn**5 **0 1.0 - -