White aluminum oxide has white color and a litter higher hardness and toughness comparing with the brown one .The grinding tools made of this material are suitable for fine grinding of higher carbon steel ,high-speed steel and stainless steel.Abrasive powder of finer grit sizes can also be used for precision casting and high-grade refractory materials. Grains Types and Grades
Usage
For vitrified wheels
For Resinoid Bond
For Coated Abrasives
Type&Grade
WA
WA-B
WA-P1
Physical Chemical Performance Index
Symbol
Range of the Grain
Chemical Composition(%,by weight)
True Density
Shape of the Grain
WA
F12~80
? 98.50
? 0.40
? 3.90
Blocky
F90~150
? 98.00
? 0.40
F180~220
? 98.00
? 0.40
F230~400
? 97.50
? 0.50
F500~1200
? 97.00
? 0.60
WA-B
F12~80
? 99.00
? 0.40
? 3.90
Blocky
F90~150
? 98.50
? 0.40
F180~220
? 98.00
? 0.40
F230~600
? 97.50
? 0.50
WA-P1
F16~80
? 99.00
? 0.40
? 3.90
Needle Shape
F100~150
? 98.50
? 0.40
F180~400
? 98.00
? 0.50
F500~1200
? 97.50
? 0.60
Note:Special requirments on chemical compositions can be satisfied through discussion