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WINOA IKK Brown Fused Alumina

Made in: Japan
Manufacturer: WINOA IKK JAPAN CO., LTD
Model: Brown Fused Alumina

Features

■ Obtained by melting a mixture of bauxite, coal and scrap iron in an electric furnace.

■ It has excellent hardness and toughness.
Abrasive products made from brown alumina (A) with special adhesives and coatings are suitable for polishing carbon steel, malleable cast iron, hardened bronze, etc.

(1) It is also used for other refractory materials, chemical fillers, precision castings, non-slip materials, and the like.

Specifications

Chemical composition
(% by weight)
Grit no.Al2O3 _ _ _TiO2 _
#4 – #9094.5-97
#100 – #180≧93.51.5 – 3.8
#220 – #240≧92.5
basic mineralsα – Al2O3 _
crystal diameter400-800 microns
true specific gravity>>3.90
The bulk density1.68-2.01 g/cm³
Knoop hardness1800-2200kg/mm²
New Mohs hardness12 (Old Morse, 9)
Toughness (single grain crushing strength)1.14kg
Basic granularity
Grit no.micronGrit no.micron
82800-2360150106-75
102360-200018090-63
122000-170022075-53
141700-140024075-53
161400-1180Fine particle size below
201180-100024087.5-73.5
221000-85028073.5-62
24850-71032062-52.5
30710-60036052.5-44
36600-50040044-37
40500-42550037-31
46425-35560031-26
54355-30070026-22
60300-25080022-18
70250-212100018-14,5
80212-180120014.5-11.5
90180-150150011.5-8.9
100150-12520008.9-7.1
120125-10625007.1-5.9
Packing25kg PP bag (paper bag, flexible container bag)
place of originChina

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