best sales 3-5mm 75% Alumina Bauxite Gibbsite powder

  best sales 3-5mm 75% Alumina Bauxite Gibbsite powder

  Chemicals :  

bauxite, alumina or bauxite miner , main ingredients are aluminum oxide, hydrate alumina containing impurities,

is an earthy mineral.White or grey, brown yellow or light red by iron.From 4 to 3.9 g/cm3 density, hardness, 1 ~ 3, opaque, very brittle.

Very difficult to melt.Insoluble in water, soluble in sulfuric acid, sodium hydroxide solution.Mainly used for aluminium, refractory material.

Product use:

1.  aluminium industry.

2 . precision casting. 

3. for refractory products.

4.  aluminum silicate refractory fiber.

5. with magnesia and bauxite clinker as raw material, add appropriate binder, used for pouring ladle whole ladle lining has particularly good effects.

6. manufacture alumina cement, abrasive materials, ceramic industry and chemical industry of aluminum compounds