Pink Fused Alumina

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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 Cr₂O₃into the AI2O3 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.

Application :

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, aluminium, zinc, brass, Bronze), but also used for softer materials, such as wood, synthetics and pains.

Technical Specification :

Items / Chemical Composition		Unit	Medium Chrome	Low Chrome	High Chrome
Size F12-F80	AI₂O₃	%	98.2 min	98.5 min	97.4 min
	Cr₂O₃	%	0.45-1.00	0.20-0.45	1.00-2.00
	Na₂O	%	0.55 max	0.50 max	0.55 max
F90-F150	AI₂O₃	%	98.20 min	98.50 min	97.00 min
	Cr₂O₃	%	0.45-1.00	0.20-0.45	1.00-2.00
	Na₂O	%	0.60 max	0.50 max	0.60 max
F180-F220	AI₂O₃	%	97.80 min	98.00 min	96.50 min
	Cr₂O₃	%	0.45-1.00	0.20-0.45	1.00-2.00
	Na₂O	%	0.70 max	0.60 max	0.70 max
Physical Property	Basic Minerals		-AI₂O₃	-AI₂O₃	-AI₂O₃
	Crystal Size	m	600~2000	600~2000	600~2000
	True Density	g/cm³	> 3.90	> 3.90	> 3.90
	Bulk Density	g/cm³	1.40~1.91	1.40~1.91	1.40~1.91
	Knoop Hardness	g/cm³	2200~2300	2200~2300	2200~2300