Pink Aluminum Oxide

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Description

GNPGraystar’s Pink and Ruby Fused Aluminum Oxide contain chromium oxide, which gives the material its Pink and Ruby color. The incorporation of the Cr₂O₃ into the Al₂O₃ crystal lattice produces an increase in toughness and a reduced friability compared with White Fused Alumina.

Compared to Brown Aluminum Oxide the Pink & Ruby materials are harder, more aggressive and have better cutting ability. The grain shape of Pink & Ruby Aluminum Oxide is sharp and angular.

This material data has been provided by GNPGraystar Specialty Materials.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

All categories

Properties

Chemical properties

Property	Value	Comment
Aluminium	99.52 % Show Supplier Material materials with Aluminium of 99.52 %	Al₂O₃
Chromium	0.25 % Show Supplier Material materials with Chromium of 0.25 %	Cr₂O₃
Iron	0.05 % Show Supplier Material materials with Iron of 0.05 %	Fe₂O₃
Sodium	0.18 % Show Supplier Material materials with Sodium of 0.18 %	Na₂O

Technological properties

Property

Application areas

The FEPA F grades are especially suitable for the manufacture of vitrified bonded abrasives for working hardened steels and alloys with tensile strengths of over 50 kg/ mm2. These are also used in tool grinding, saw and 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.

Color

Pink

Other

Test Methods
Microgrit Sizing:	ANSI B74.12 Table 2 FEPA F Standard 42-2:2006 FEPA P Standard 43-2:2006
Microgrit Sizing:	FEPA F Standard 42-2:2006 FEPA P Standard 43-2:2006

Pink Aluminum Oxide

Description

Ashby charts

Materials by this supplier

Properties