Purchasing Zinc Materiels
1.Purchasing Categories: Zinc oxide slag (from Pb or Cu smeltery), zinc dross, zinc slag, zinc alloy scrap.
2.Trial Order Quantity: 200 Mt min.
3.Purchasing Quality Standard For Reference & Instruction
There are three categories according to the form of waste zinc material and the existence of zinc. Category 1: zinc and lump zinc alloy scraps; Category 2: zinc and zinc alloy chip materials; Category 3: zinc and zinc alloy scraps.
Zinc scraps purchasing categories and quality requirements
Zinc scraps and zinc alloy scraps |
Zinc dross, zinc slag from the smelters and tailing ores |
Zinc oxide slag from Pb,Sb,Cu non-ferrous smeltery, or zinc oxide from steel factory, zn content should be 25% at least, other zinc and alloy slag from the process of smelting\ machining\ die-casting |
Grade 1: Zinc and zinc alloy slag (Zn≥60%)
Grade 2: Zinc and zinc alloy slag (Zn≥40%)
Grade 3: Zinc and zinc alloy slag (Zn≥30%)
Grade 4: Zinc and zinc alloy slag (Zn≥20%) |
Price Stipulation
1. Zinc oxide from steel factory: F＜0.2%,Cl＜0.6%
2.Harmful element: S＜1%,As＜0.5%,if As exceeds the standard, the material is useless
The zinc in the materiel should exist as metallic state or alloy, not the compound containing zinc.
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