85% Al2O3 Black Fused Alumina

 black fused alumina

Description:

Black corundum and low aluminum corundum ,is in electric arc furnace ,the bauxie made by melting a is given priority to with alpha A12O3 and spinel mineral phase of the colored crystals ,3 oxidation 2 aluminium (AI2O3) content is 70% ~ 70%, containing more silicon oxide and titanium oxide impurities, such as a kind of black corundum.

Perfermence:Hard bottom is moderate, high toughness, high temperature resistant, thermal steady state performance characteristics.Density of 3.5 g/cm3. The highest temperature is 1850 ℃, melting point is 2050 ℃.Mohs hardness of 9.0.

Application:
1, freedom, grinding, such as floor polishing before plating metal parts, aluminum products.
2, bicycle, motorcycle, sewing machine, clock parts.3, lamp act the role ofing, plastic and hardware tools, such as polishing, is also suitable for sandblasting (spray derusting, glass flower).
4, processing and manufacturing resin cutting, Angle grinding pills and coated abrasive, etc.
5, black corundum sand granularity and micro powder particularly suitable for grinding and polishing of stainless steel workpieces and sharpening stone, grinding paste manufacturing.
6, black corundum sand antiskid pavement and coal mine under storage material of choice

Specifications

Common size :16#,24#,30#,36#,46#,60#,80#,100#,120#,150#,180#,200#,325#.

     25kg/bag, 500kg/bag, 1000kg/bag) is packed in two-layer bag with plastic bag for inner packaging, woven bag for external packaging or according to customers' requires.

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•Our staff are professional, sincere and high efficient in their work, they communicate with 

customers  in good and polite manner,
•We respond promptly to you phone calls, emails, fax and letters.
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•Our processing quality is always exceptional.
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•Product size can be customized for you.
•We have many years experience in processing, designing and trading wide range of stone 

products.
•We have a lot of partner factories which have powerful design and production capability.
•We stock regular sizes of floor tiles and other products in our local warehouse which enables us

to  quickly deliver to our customers with the best possible price.