Product Details

Specifications

high purity and hardness;
good toughness;
low line expansion;
corrosion resistance;

1:Introduction:

Brown corundum(A) is manufactured from bauxite with anthracite and iron scurf fused at high temperature of over 2000C.

It has the advantages of high purity and hardness,good toughness,low line expansion and corrosion resistance.

2:Applications:

It has been widely used to make bonded and coated abrasive tools,wet or dry blasting, superprecision grinding and polishing, high quality refractory materials, malleable cast iron,hard bronze and semi-conductor materials.

3:Mechanical Properties:

Item Description
Color	Brown
Crystal Form	Trigonal System
Hardness(Moh’s)	≥9
Melting Point(C)	2250
Max. Operating Temperature	1900
True Density(g/cm³)	≥3.90
Line Expansion	7-9

4:Chemical Composites:

Applications		Specifications	Chemical Composites				Magnetic Substance
Applications		Specifications	Al₂O₃	Fe₂O₃	SiO₂	TO₂	Magnetic Substance
ABRISIVE	F	4# -- 80#	≥95	≤0.3	≤1.5	≤3.0	≤0.05
		90# --150#	≥94	≤0.3	≤1.5	≤3.0	≤0.03
		180#--240	≥93	≤0.3	≤1.5	≤3.5	≤0.02
	P	8# -- 80#	≥95.0	≤0.2	≤1.2	≤3.0	≤0.05
		100# --150#	≥94.0	≤0.2	≤1.2	≤3.0	≤0.03
		180# --220#	≥93.0	≤0.3	≤1.5	≤3.5	≤0.02
	W	1# -- 63#	≥92.0	≤0.5	≤1.8	≤4.0	—
REFRACTORY MATERIALS		0-1mm 1-3 mm 3-5 mm 5-8 mm 8-12 mm	≥95	≤0.3	≤1.5	≤3.0	——
		25-0 mm 10-0 mm 50-0 mm 30-0 mm	≥95	≤0.3	≤1.5	≤3.0	——
		180#-0 mm 210#-0 mm 320#-0 mm	≥94.5 ≥93.5	≤0.5	≤1.5	≤3.5	——

5:Package:

25kg/bag;40bags/pallet;(upon the customer’s request).