Pink Fused Alumina

Detailed Product Description:

PROCESS OF PRODUCTION AND CHARACTER

Pink Fused Alumina is produced by doping Chromia into Alumina, which gives the material pink color. The incorporation of the Cr2O3 into the Al2O3 crystal lattice produces a slight increase in toughness and a reduced friability compared with White Fused Alumina.

Compared to Brown Regular Aluminum Oxide the Pink material is harder, more aggressive and has better cutting ability. The grain shape of Pink Aluminum Oxide is sharp and angular.

Applications

The FEPA F grades are especially suitable for the manufacturing vitrified bonded abrasives for working hardened steels and alloys with tensile strengths of over 50 kg/mm². It is also used in tool grinding, knife-sharpening applications, precision grinding, profile grinding, flute grinding, tooth grinding, dry grinding of blade segments and mounted wheels.

The FEPA P grades are a preferred material for working non-ferrous metals and the alloys (copper, aluminum, zinc, brass, Bronze), but also used for softer materials, such as wood, synthetics and paints.

SPEC

PINK ALUMINA( HIGH CHROMIUM )

Items/ Chemical Composition	Unit	Index
Size: F12-F80	Al₂O₃	%	97.4min
Cr₂O₃	%	1.00-2.00
Na₂O	%	0.55max
F90-F150	Al₂O₃	%	97.00min
Cr₂O₃	%	1.00-2.00
Na₂O	%	0.60max
F180-F220	Al₂O₃	%	96.50min
Cr₂O₃	%	1.00-2.00
Na₂O	%	0.70max
Physical Property	Basic Minerals		α— AI₂O₃
Crystal size	μm	600~2000
True density	g/cm³	≥3.90
Bulk density	g/cm³	1.40~1.91
Knoop hardness	g/mm²	2200~2300

PINK ALUMINA ( MEDIUM CHROMIUM )

Items/ Chemical Composition	Unit	Index
Size: F12-F80	Al₂O₃	%	98.2min
Cr₂O₃	%	0.45-1.00
Na₂O	%	0.55max
F90-F150	Al₂O₃	%	98.20min
Cr₂O₃	%	0.45-1.00
Na₂O	%	0.60max
F180-F220	Al₂O₃	%	97.80min
Cr₂O₃	%	0.45-1.00
Na₂O	%	0.70max
Physical Property	Basic Minerals		α— AI₂O₃
Crystal size	μm	600~2000
True density	g/cm³	≥3.90
Bulk density	g/cm³	1.40~1.91
Knoop hardness	g/mm²	2200~2300

PINK ALUMINA( LOW CHROMIUM )

Items/ Chemical Composition	Unit	Index
Size: F12-F80	Al₂O₃	%	98.5min
Cr₂O₃	%	0.20-0.45
Na₂O	%	0.50max
F90-F150	Al₂O₃	%	98.50min
Cr₂O₃	%	0.20-0.45
Na₂O	%	0.50max
F180-F220	Al₂O₃	%	98.00min
Cr₂O₃	%	0.20-0.45
Na₂O	%	0.60max
Physical Property	Basic Minerals		α— AI₂O₃
Crystal size	μm	600~2000
True density	g/cm³	≥3.90
Bulk density	g/cm³	1.40~1.91
Knoop hardness	g/mm²	2200~2300

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