SK-32 / SK-35Refractory raw materials
JWFA / JBFAWhite and brown fused alumina
Fused alumina for high-grade refractories and abrasives; the white grade offers higher purity.
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PRODUCT / JWFA / JBFA01 / APPLICATION
Application and operating zones
Refractory mixes, shaped products, cutting, grinding and polishing materials.
02 / TYPICAL DATA
Technical specifications
PropertyTypical value
Al₂O₃94.5-99.4%
Bulk density3.65-3.80 g/cm³
GRADE COMPARISON
Grades and technical properties
For each shipment, composition, geometry, and guaranteed properties are fixed in the specification and batch quality certificate.
| Grade | Al₂O₃ | Fe₂O₃ | SiO₂ | TiO₂ | Bulk density | Particle size |
|---|---|---|---|---|---|---|
| JWFA Fine | 99.2% | 0.10% | 0.10% | - | 3.65 g/cm³ | 325/200 mesh |
| JWFA Aggregate | 99.4% | 0.08% | 0.08% | - | 3.65 g/cm³ | 3-6 / 1-3 / 0-1 mm |
| JBFA Fine | 94.5% | 0.5% | 1.5% | 3.5% | 3.80 g/cm³ | 325/200 mesh |
| JBFA Aggregate | 95% | 0.3% | 1.0% | 3.0% | 3.80 g/cm³ | 3-6 / 1-3 / 0-1 mm |
Properties are shown as typical values. The operating grade and guaranteed values are selected for the service conditions and fixed in the supply specification.
