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Brown Fused Alumina

  • Al2O3 :>95
  • Fe2O3 :<0.3
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Brown fused alumina is made of bauxite and coke, smelted by high temperature in arc furnace.
Application:
1. Abrasive tools which is made of it is suitable for grinding high tensile strength metal, such as common steel, malleable cast-iron, hard bronze, etc.
2. It is widely used for senior refractory materials. It is the best aggregate and plugging compound in brown fused alumina refractory.
Feature:
1. High purity, good crystallization.
2. Low coefficient of linear expansion.
3. Corrosion resisting.
4. It does not detonate, pulverize, crack during use. 

 
Specification Model Al2O3 Fe2O3 SiO2 TiO2 Magnetic Substance
Grinding Material F 4#-80# >95 <0.3 <1.5 <3.0 <0.5
F90-150# >94.5 <0.3 <1.5 <3.0 <0.3
F180-240# >94 <0.5 <1.5 <3.5 <0.2
P4#-80# >95 <0.2 <1.2 <3.0 <0.5
P90-150# >94 <0.2 <1.2 <3.0 <0.3
P180-240# >93 <0.3 <1.5 <3.5 <0.2
Refractory Material 0-25MM >95 <0.3 <1.5 <3.0 <0.2
Remark F represents regular size of abrasives consolidation and sandblasting used gauge, P represents regular size of coated abrasives.
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