Product Details

Pink Fused Alumina #24#30#36#46#54#60#70#80#90#100#120#150#180#220

Pink fused Alumina is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium. lt is pink.lts hardness is close to,but toughness higher than that or WA.

Chemical composition

Specification	Low chromium			Medium chromium			High chromium
	Al2O3 （%）	Cr2O3 （%）	Na2O （%）	Al2O3 （%）	Cr2O3 （%）	Na2O （%）	Al2O3 （%）	Cr2O3 （%）	Na2O （%）
F12-F80	≥98.50	0.20-0.45	≤0.50	≥98.20	0.45-1.00	≤0.55	≥97.40	1.00-2.00	≤0.55
F90-F150	≥98.50		≤0.50	≥98.20		≤0.60	≥97.00		≤0.60
F180-F220	≥98.50		≤0.50	≥97.80		≤0.70	≥96.50		≤0.70

Physical property

Basic minerals

Crystal size

μm

True density

g/cm3

Bulk density

g/ cm3

Knoop hardness

kg/mm2

α-Al2O3

600-2000

≥3.90

1.40-1.91

2200-2300

Application: The abrasive tools made of it feature excellent durability and high processing cleanness,which are suitable for the precision grinding of the measuring tools,lathe main shafts,instruments and apparatus parts,threading workpieces and samplers,etc.