Brown Fused Alumina Vitrified Grinding wheels
Brown Fused Aluminium Oxide for Sandblasting &Bonded Abrasives
Brown Fused Aluminium Oxide(Brown Fused Alumina),abbreviated as BFA, is made according to FEPA, JIS
Standard etc with fine particle distribution for bonded abrasives, sand blasting and surface treatment. Because of its
hardness, toughness, sharp edge and self-sharpening character, Brown Fused Aluminium Oxide is an ideal
synthetic abrasives material for production of abrasive tools(Bonded Abrasive Grinding Wheels, Cutting Discs,
Mounted Heads etc, and also in Sand Blasting and Polishing purposes. Brown Fused Aluminium Oxide is the most
used abrasives because of its features and cost. Our BFA FEPA grits are with about 95%min Aluminium
Oxide(Al2O3), high purity, coarse particles, low magnetic contents, high cleanliness.
We also have Barmac equipment for mill of Brown Fused Aluminium Oxide to improve its shape by centrifugal force.
BFA milled by Barmac equipment is granted more round shape grits and higher bulk density. Abrasive tools made
of it is more tough, abrasion-resistant and self-sharpening. If used for sand-blasting, Barmac BFA can be recycled
more times.
| Physical and Chemical Properties | |||
| Item | Value | Item | Value |
| Main Material | Al2O3 | Melting point(℃) | 2250 |
| Bulk Density(g/cm³) | 1.4-2.3 | Max Using Temperature(℃) | 1900 |
| Mosh Hardness | ≧9 | Color | Brown(Deep blue after Calcining) |
| True Gravity(g/cm³) | ≧3.90 | Linear Expansivity(0-1600℃) | 7-9 |
| Knoop Hardness(kg/mm²) | 2000-2200 | Crystal Structure | Trigonal System |
| Size available(FEPA) | F8-F220 | ||
Applications of Brown Fused Aluminium Oxide
- Sand Blasting Abrasives of Metal, Wood, Bamboo,Glass,Ceramic,Stone etc.
- Production of Grinding Wheels, Cutting Discs
- Mounted Head and other Bonded Abrasive Tools
- Water-jet Cutting Media
- Color and Decorative Pattern of Jeans
- Water Filtration Media
- Wear Resistant Products
- Anti-slipping Materials
- Aluminium Oxide Coating
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