General
Property | Value |
---|---|
True particle density | 3.5 g/cm³ Show Supplier Material materials with True particle density of 3.5 g/cm³ |
Mechanical
Property | Value | Comment |
---|---|---|
Hardness, Knoop, HK2 | 2000 [-] Show Supplier Material materials with Hardness, Knoop, HK2 of 2000 [-] | Knoop (100) |
2200 [-] Show Supplier Material materials with Hardness, Knoop, HK2 of 2200 [-] | Knoop (100) | |
Hardness, Mohs | 9.0 [-] Show Supplier Material materials with Hardness, Mohs of 9.0 [-] |
Thermal
Property | Value |
---|---|
Melting point | 2050.0 °C Show Supplier Material materials with Melting point of 2050.0 °C |
Chemical properties
Property | Value | Comment |
---|---|---|
Aluminium | 80 % Show Supplier Material materials with Aluminium of 80 % | min. Al₂O₃ |
Iron | 4.0 - 8.0 % Show Supplier Material materials with Iron of 4.0 - 8.0 % | Fe₂O₃ |
Silicon | 10 Show Supplier Material materials with Silicon of 10 | max. SiO₂ |
Titanium | 2.0 - 4.0 % Show Supplier Material materials with Titanium of 2.0 - 4.0 % | TiO₂ |
Technological properties
Property | ||
---|---|---|
Application areas | GNPGraystar’s Black Aluminum Oxide, due to its thermal stability and low heat generation when polishing, is used to polish metal pieces, especially stainless steel, producing a high smooth finish with little surface discoloration. It is also used in resin bonded abrasives, blasting applications, as anti-skid surfacing material, abrasive belts, flap wheels, fiber wheels, and other polishing & lapping applications. | |
Color | Black | |
Crystal structure | Trigonal System | |
Other | Special Black Aluminum Oxide Sizing: Grits: F46 - F240 (FEPA F: 42-2:2006) Powders: F280-F1000 Grit (FEPA F: 42-2:2006) Other Sizes are Available Upon Request |