Properties
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 | 8.0 - 9.0 [-] Show Supplier Material materials with Hardness, Mohs of 8.0 - 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 | 62 % Show Supplier Material materials with Aluminium of 62 % | min. Al₂O₃ |
Iron | 6.0 - 12.0 % Show Supplier Material materials with Iron of 6.0 - 12.0 % | Fe₂O₃ |
Silicon | 25 Show Supplier Material materials with Silicon of 25 | 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 | General Black Aluminum Oxide Sizing: 3-5 mm, 1-3 mm, 0.4-1.0 mm, 0-1 mm F12-F400 Grit (FEPA F: 42-2:2006) Other Sizes are Available Upon Request | |