White Aluminum Oxide Microgrits

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Description

GNPGraystar’s White Aluminum Oxide is electrically fused in an arc furnce using Bayer process high purity alumina. The final product is used in applications where higher purity levels and lower iron content is desired as compared to brown aluminum oxide

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

General

Property	Value
True particle density	3.95 g/cm³ Show Supplier Material materials with True particle density of 3.95 g/cm³

Mechanical

Property	Value
Hardness, Mohs	9.0 [-] Show Supplier Material materials with Hardness, Mohs of 9.0 [-]

Thermal

Property	Value
Melting point	2000.0 °C Show Supplier Material materials with Melting point of 2000.0 °C

Chemical properties

Property	Value	Comment
Aluminium	99.26 % Show Supplier Material materials with Aluminium of 99.26 %	Al₂O₃
Iron	0.08 % Show Supplier Material materials with Iron of 0.08 %	Fe₂O₃
Silicon	0.02 % Show Supplier Material materials with Silicon of 0.02 %	SiO₂
Sodium	0.6 % Show Supplier Material materials with Sodium of 0.6 %	Na₂O

Technological properties

Property

Application areas

GNPGraystar’s White Aluminum Oxide macrogrits are used in surface grinding, external and internal cylindrical grinding, creep-feed grinding of low or unalloyed steel. General industrial applications include pressure blasting, microderm abrasion, lapping, anti-skid, and refractories.

GNPGraystar’s White Aluminum Oxide microgrits are used for precision lapping, micro blasting, fine grit bond and coated applications, thermal coatings, polishing compounds, and more.

Certifications

ANSI and FEPA (Macrogrits); FEPA and JIS (Microgrits)

Agency & Mil-Specs

Color

White

Crystal structure

Alpha - Alumina

Other

Test Methods
Microgrit Sizing:	FEPA F Standard 42-2:2006 FEPA P Standard 43-2:2006 JIS R 6001-1987 Custom Sizes Available

White Aluminum Oxide Microgrits

Description

Ashby charts

Materials by this supplier

Properties