Lianyungang Kaiwai Imp. & Exp. Co., Ltd.

polishing and grinding WA

polishing and grinding WA
Product Detailed

polishing and grinding WA
1.experienced factory
2.ISO9001,2000
3.high purity Al2O3,more than 99.5%

polishing and grinding WA

is made from high quality alumina by melting above 2000°C in the electric arc furnace and then cooling. It is with high purity, great self-sharpening, acid and alkali resistance, high temperature and stable thermal performance. Its hardness is a little higher than brown fused alumina. It is with low toughness, great grinding ability, small heat and high efficiency.

 

 

Applications:

It can be made to the abrasives, suitable for sandblasting and grinding high carbon steel and staining steel and other fine-grained abrasive; also be used for precision casting and high-refractory materials.

 

    Chemical compositions

                     Physical properties

Items

Value of specification (%)

             Items

Property

Al2O3

          99.40min

             Color

White

SiO2

          0.02max

             Bulk density

1.75-1.95g/cm3

Na2O

          0.35max

             Grain density

3.90g/cm3 min

Fe2O3

          0.10max

 

hardness

Morse hardness

9

Micro hardness

2200-2300kg/mm2



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