Introduction

 White fused alumina is made from the high quality aluminum oxide powder by melting above 2,000°c in the electric arc furance and cooling.

 

Manufacture Process

Aluminum oxide powder---melting---cooling---smash---select---precision select

 

Characteristics

1 Good Hardness & Toughness

2 High Purity

3 Corroson resisting

4 Heat-resistant property

 

Physical Index

True Density	≥3.96g/cm3
Micro Hardness	HV2000-2200
Mosh Hardness	9
Refractoriness	≥1850°c
Melting Point	2250°c

 

Chemical Index

Application	Specification	Chemical Composion(%)
		Al2O3	Na2O
Abrasives	F12#-80#	99.4min	0.4max
	90#-150#	99.3min	0.4max
	180#-240#	98.2min	0.4max
	1#-63#	99.3min	0.4max
Refractory	180#-0 200#-0 320#-0	99.3min	0.4max
Powder	0-1mm 1-3mm 3-5mm 5-8mm 8-12mm	99min	0.4max

 

Size Available

1 Abrasives F8-F1500, P12-P220, JIS240-JIS3000

2 Refractoy 0-1mm, 1-3mm, 3-5mm, 200mesh, 325mesh

3 Other specifal specification could be supplied as required

 

Applications

1 Coated and bonded abrasive tools

2 Lapping and polishing processe

3 Precision casting

4 Refractory material