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  4. Abrasive material WA White alumina (Naniwa Polishing Industry Co., Ltd.)
Abrasive material WA White alumina-WA #240
Abrasive material WA White alumina-Naniwa Polishing Industry Co., Ltd.

Abrasive material WA White alumina
Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

21.9hours

Relatively Fast Response

About This Product

■Summary

The abrasive material we supply is characterized by thorough quality control at our own domestic factory that complies with ISO9001 standards. We can handle a variety of applications, from raw materials for precision grinding wheels, paper, and refractory materials to precision processing of ceramics, crystal, quartz, and silicon wafers. By integrating manufacturing and logistics, we strive to provide a safe, secure, and stable supply. Characteristics of various abrasives

■GC sand (green silicon carbide) is refined by melting coke and a silicon carbide raw material whose main components are silica stone and silica sand in an electric resistance furnace. It is characterized by a greenish color. It is mainly used for cutting and primary lapping of ceramics, glass, crystal, silicon wafers, etc. It is also used as a raw material for precision whetstones and cutlery whetstones.

■C sand (black silicon carbide) is refined by thermally reacting silicon carbide raw materials consisting of silica stone and silica sand with coke in an electric resistance furnace. It is characterized by a black color. It is mainly used as a raw material for super-finishing precision whetstones and super-finishing coated abrasive paper, and is used for precision processing of ceramics, cast iron, brass, copper, stone, etc. It is also used as a raw material for precision whetstones and cutlery whetstones, and as a stone blasting material.

■WA sand (white alumina) is produced by melting and solidifying high-purity electrofused white alumina abrasive material in an electric furnace.It is high-purity alumina and has a white color. It is mainly used as a raw material for super-finishing precision grinding wheels and super-finishing coated abrasive paper, and is used for lapping of magnetic materials, ceramics, and devices in the semiconductor industry. It is also used as a raw material for cutlery whetstones, offset whetstones, and blasting materials.

■A sand (brown alumina) is manufactured by melting and reducing an alumina abrasive made of bauxite in an electric furnace and solidifying it.It contains titanium oxide to improve toughness, giving it a brownish color. Main uses include blasting material for precision parts and raw material for coated abrasive paper. It is also used for cutting whetstones, offset whetstones, abrasive cloth raw materials, blasting materials, etc.

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    Abrasive material WA White alumina

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1 Models of Abrasive material WA White alumina

Image Part Number Price (excluding tax) Chemical composition (%) Maximum particle size (µs) Specific gravity Particle diameter at 3% cumulative height (µs) Particle diameter at 50% cumulative height (µs) Particle diameter at 94% cumulative height (µs)
Abrasive material WA White alumina-Part Number-WA #240

WA #240

Available upon quote

98.0 or more

127 or less

3.90 or more

103 or less

57.0±3.0

40 or more

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About Company Handling This Product

Naniwa Polishing Industry Co., Ltd.

Response Rate

100.0%

Response Time

21.9hrs

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Abrasive Compounds　Naniwa Polishing Industry Co., Ltd.
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