Abrasive A Brown alumina
Naniwa Polishing Industry Co., Ltd.

About This Product

■SummaryThe 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.

Model
There is 1 model available for this product.

Product
Abrasive A Brown alumina

Handling Company
Naniwa Polishing Industry Co., Ltd.

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Machining / Machine Tools

Abrasive Compounds

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1 Models of Abrasive A Brown 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)
	A #240	Available upon quote	87.5 or more	127 or less	3.85 or more	103 or less	57.0±3.0	40 or more

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Naniwa Polishing Industry Co., Ltd.

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Abrasive A Brown alumina Naniwa Polishing Industry Co., Ltd.

About This Product

■Summary

1 Models of Abrasive A Brown alumina

A #240

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Other products of Naniwa Polishing Industry Co., Ltd.

About Company Handling This Product

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Abrasive A Brown alumina
Naniwa Polishing Industry Co., Ltd.