Product: White corundum
Raw material: Alumina powder
Color: White
Usage: Sand paper
Packing: 25kg/bag
Product: White corundum
Raw material: Alumina powder
Color: White
Usage: Sand paper
Packing: 25kg/bag
White fused aluminum oxide also called white corundum use high quality alumina powder as raw material, produced under the procedure of material sorting, electrolytic smelting, crushing, iron removal and magnetic separation, screening, physical and chemical inspection.White corundum is harder than brown one, it can be used for making sand papers.
Usage | Specifications | The main chemical components% | |||||
Al2O3 | Fe2O3 | SiO2 | Na2O | CaO | |||
Abrasives | F | F4-F80 | ≥99 | ≤0.25 | ≤1.5 | ≤0.25 | ≤0.01 |
F90-F150 | |||||||
F180-F240 | |||||||
P | 8#-80# | ≥99 | ≤0.25 | ≤1.2 | ≤0.4 | ≤0.01 | |
100#-150# | |||||||
180-220# |