zinc ash 20-30   60-70
Zinc Powder
Zinc Dust
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Zinc containing zinc metal gray means of zinc oxide or containing zinc scraps, mainly by galvanized zinc electrolysis, factory, zinc alloy, zinc casting factory and the mineral smelting industries containing zinc flue. According to the different industry produces zinc ash, zinc gray, different content. Generally have yellow, black and orange, navy, etc. Zinc in more than 80 per cent a few.

Normally, electrolytic zinc hot dip galvanized factory  mainly by casting, zinc ingots materials industry or high amount of raw materials for mineral zinc industry produces zinc ash content is higher, the processing method is simple. Main can adopt separation - smelting into thick zinc ingots way of recycling zinc grey metallic zinc, the chemical method or electrolytic zinc ash or holds the recovery of zinc