Lead, Zinc Ore from Nigeria
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Lead Zinc Ore
Mineral Exp Int is providing Zinc & Lead Ore Zinc (zn) : 42% .... Lead (pb) : 13% if you have interest, contact us.
Lead 25% zinc 45 % etc Mt
Product description: Lead zinc ore is gray and black powder, and is made by selected and crushed sphalerite and galena sulfide ore.The mohs hardness is 3-5.5, the density is 4.5- 5.0 g/cm3.For the different melting point of sulfide, lead zinc ore is used in friction material for adjusting high-temperature, improving friction coefficient and reducing the dosage of adhesive.It is specially suitable for rake pad drum brake or clutch.The recommended regular consumption rate is about 2-8% according to the required function.
We can supply from West Africa: ï?? BAUXITE ï?? IRON ORE ï?? LEAD ORE ï?? ZINC ORE When you are interested contact us by email
Lump packed in 50kg pp bags
Zinc ore occurs in two types of deposit: as primary zinc ore in thin veins known as rakes, or a secondary deposit formed by weathering of the primary mineral veins. Zinc ore is most commonly found as zinc carbonate (ZnCO3), known as calamine or smithsonite. It generally occurs as rounded, crystalline crusts or granular, honeycombed masses that have a vitreous or pearly luster and are typically dirty brown or grey in colour. Locally it was known as â??dry boneâ?? ore, having a cellular to spongy appearance reminiscent of dry bone. Calamine is actually a secondary mineral, found principally in the oxidized zone of the zinc-bearing ore deposits. It is derived from the alteration of the primary zinc sulphide (ZnS) mineral sphalerite. This is generally a dark grey or black, highly lustrous mineral, but can vary in appearance. Both occur on Mendip. Its chief use was to make brass by mixing with copper.
Commodity: Zinc Ore Concentrated, Zn >40% To >52%. Rej. Zn 40.00% To >52.00% - Rej. Zn
