
Brown Fused Alumina For Sandblasting
Brown Fused Alumina is available in a range of grit sizes and shapes to suit different applications. Fine-grained BFA is typically used for polishing and lapping applications, while coarser grades are used for grinding and cutting. Shapes of BFA can vary from angular to more rounded, depending on the manufacturing process and intended use.
Beschrijving
Description
Brown Fused Alumina (BFA) is a popular abrasive material that is widely used for sandblasting applications. It is made by fusing bauxite, iron oxide, and coke at high temperatures in an electric arc furnace. The resulting material is hard, tough, and extremely durable, which makes it ideal for use in sandblasting.
BFA is available in different grit sizes, ranging from coarse to fine. Coarser grits are used for heavy-duty sandblasting applications, such as removing rust, paint, and other tough coatings from metal surfaces. Finer grits are used for more delicate applications, such as etching glass or cleaning delicate surfaces.
BFA is also preferred over other abrasive materials because of its low dust emissions, which makes it a safer option for workers and the environment. It is also reusable, which means it can be recycled and used again, reducing waste and cost.
Specification
| Property | Description |
|---|---|
| Chemical Formula | Al2O3, Fe2O3, SiO2, TiO2 |
| Appearance | Dark brown to tan, crystalline powder/grains |
| Hardness | 9 on Mohs scale |
| Melting Point | Approx. 2050°C |
| Specific Gravity | 3.90 - 4.10 |
| Bulk Density | 1.5 - 2.0 g/cm3 |
| Shape | Angular |
| Applications | Sandblasting, grinding, cutting, polishing, and lapping |
| Grit Sizes | 12-220 (Coarse), 240-1200 (Fine) |
| Packaging | 25 kg bags, 1 MT Big Bags, or as per customer's request |


Products applications
Sandblasting: BFA is widely used as an abrasive material for sandblasting applications. It is effective in removing rust, paint, and other tough coatings from metal surfaces.
Grinding: BFA is used as a grinding material for various applications, including sharpening and grinding tools, cutting wheels, and grinding wheels.
Cutting: BFA is used as a cutting material for abrasive cutting applications such as cutting tiles, bricks, and other hard materials.
Polishing and Lapping: BFA is used as a polishing and lapping material for finishing applications, including polishing of metal, glass, and other surfaces.
Refractories: BFA is used as a raw material for producing refractory materials that are used in high-temperature applications, such as furnace linings and crucibles.
Ceramic and Foundry Industries: BFA is used as an abrasive material for producing ceramic parts and in foundry applications for producing molds and cores.
Populaire tags: brown fused alumina for sandblasting
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