Specifications

Chemical composition: Al2O3:95%MIN Fe2O3:0.3%MAX SiO2:1.5%MAX TiO2:3.0%MAX Magnetic material content(%)0.05%MAX

This is the kind of brown fused aluminium oxide grain for coated abrasives application is calcined under 1000°C-1300°C,the grain shape is very sharp, high abrasive ability, good selfsharpening and good toughness with the high temperature treatment. It is used for producing high quality all kinds of coated abrasives products ,such as sand paper, cloth, belts, and so on.

  

Specification		Chemical composition(%)
		Al2O3	Fe2O3	SiO2	TiO2
Size sand	0-1mm	≥95.0	≤0.3	≤1.5	≤3.0
	1-3mm
	3-5mm
	5-8mm
	8-12mm
	0-3mm	≥95.5	≤0.3	≤1.5	≤3.0
	0-5mm
	0-10mm
	0-25mm
Fine powder	180#-0	≥93.5	≤0.5	≤1.5	≤3.0
	240#-0
	320#-0

 

 

Physical Properties
Colour	True Density	Mohs Hadness	Melting Temperature	Crystal System	Refractory Temperature
Brown	3.90g/cm3	9.0	2050°C	Trigonal System	1900°C