PFA PINK FUSED ALUMINA
PFA 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
|
0.20-0.45
|
≤0.50
|
≥98.20
|
0.45-1.00
|
≤0.60
|
≥97.00
|
1.00-2.00
|
≤0.60
|
|
F180-F220
|
≥98.50
|
0.20-0.45
|
≤0.50
|
≥97.80
|
0.45-1.00
|
≤0.70
|
≥96.50
|
1.00-2.00
|
≤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.
Avaialable Size：
F8 F10 F12 F14 F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F240 F280 F320 F400 F500 F600 F800 F1000 F1200 F1500 F2000
JIS#8 JIS#10 JIS#12 JIS#14 JIS#16 JIS#20 JIS#24 JIS#30 JIS#36 JIS#46 JIS#54 JIS#60 JIS#80 JIS#100 JIS#120 JIS#150 JIS#180 JIS#220 JIS#240 JIS#280 JIS#320 JIS#400 JIS#600 JIS#800 JIS#1000 JIS#1200 JIS#1500 JIS#2000 JIS#2500 JIS#3000 JIS#4000 JIS#6000 JIS8000
