Black Corundum Fused Alumina Oxide Abrasive
Products Description
Black aluminium oxide is also known as low aluminum corundum. It is also a new type product of polishing material, and it is a dark gray crystal body made Al2O3 and ferropicotite as main ore in the electric arc furnace by smelting the bauxite. It has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability.
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Product name |
Black aluminium oxide abrasive |
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Chemical (%) |
Grit Size |
Al2O3 |
Fe2O3 |
SiO2 |
TiO2 |
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10#-220# |
>78.00 |
>5.0 |
>9.00 |
1.5-3.5 |
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240#-1000# |
>66.00 |
>5.0 |
>10.0 |
1.5-3.0 |
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Advantage |
High toughness,
High temperature resistance, Stable thermal property, Strong cutting ability, Durability, High work efficiency. |
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Parameter |
The color: black
The shape: particle in trigonal shape Melt point:2050°C The max temperature:1850°C True density(g/cm3): ≥3.50 |
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Usage |
1.It is used for the bicycle, motorcycle, sewing machine, and clock parts.
2.Light ornament, plastic and hardware polishing, and also applicable to the sand blasting. 3.It is the production materials: manufacturing resin-cutting slice, edges and corners grinding and coated abrasives. 4.Black corundum particle and micro powder are suitable for stainless steel work piece polishing and abrading and making the whetstone and polishing paste. 5.Black corundum powder is the preferred material of the slip-prevented road and coal pits warehousing |
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Available sizes |
JIS |
#8 #10 #12 #14 #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400 #500 #600 #800 #1000 |
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FEPA |
F8 F10 F12 F14 F16 F20 F22 F24 F30 F36 F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 |
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2.Strong cutting force
3.Moderate hardness but good toughness and self-sharpening
4.Good abrasion resistance
5.Less heat value and efficient productivity
6.High temperature resistance
For abrasives, grinding of electronics, metallurgical additive.
For special ceramics, foam ceramics
For auto parts, war industry and aviation, steel making
For abrasive and cutting tools and Cutting disks made of SiC
For grinding, honing, water-jet cutting and sandblasting.
For lapping and polishing ,metallurgical additive and refractory material.
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