The Black Fused Alumina for Making Resin Cutting Discs
Black Fused Alumina 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.
Specifications of black fused alumina| Product name | Black fused alumina | ||||||||||||||||
| Model No | #36 | ||||||||||||||||
| Brand name | Sweet Abrasives | ||||||||||||||||
| Chemical (%) |
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| Advantage | high toughness, | ||||||||||||||||
| high temperature resistance | |||||||||||||||||
| stable thermal property | |||||||||||||||||
| strong cutting ability | |||||||||||||||||
| durability | |||||||||||||||||
| high work efficiency. | |||||||||||||||||
| 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 | |||||||||||||||||
| Coefficient of linear expansion(0-1600°C): 7-9 | |||||||||||||||||
| Usage | it is used for the bicycle, motorcycle, sewing machine, and clock parts. | ||||||||||||||||
| light ornament, plastic and hardware polishing, and also applicable to the sand blasting. | |||||||||||||||||
| it is the production materials: manufacturing resin-cutting slice, edges and corners grinding and coated abrasives. the black corundum particle and micro powder are suitable for stainless steel work piece polishing and abrading and making the whetstone and polishing paste. | |||||||||||||||||
| Black corundum sand is the preferred material of the slip-prevented road and coal pits warehousing | |||||||||||||||||
| 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 #1200 #1500 | |||||||||||||||
| 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 F600 F800 F1000 | ||||||||||||||||
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