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0-1mm 1-3mm 3-5mm
SEPPE
2818109000
SEPPE 99% Al2O3 WFA for Refractory and Abrasive Applications is a high-purity white fused alumina material used in refractory castables, ceramic products, kiln furniture, furnace lining materials and precision abrasive tools. Its high alumina content, low impurity level and thermal stability support clean high-temperature and abrasive formulations.
Product: 99% Al2O3 WFA for Refractory and Abrasive Applications for refractory castables, ceramic products, furnace lining materials and high-purity abrasive applications
Other Names: White Fused Aluminum Oxide, White Aluminum Oxide, White Corundum
Country of Origin: China
Manufacturer of Material: SEPPE TECHNOLOGIES
White Fused Alumina is produced by melting high-purity alumina in an electric arc furnace, followed by cooling, crystallization, crushing, magnetic separation, screening and particle size classification.
Compared with brown fused alumina, white fused alumina has higher purity, lower iron content and a cleaner white appearance, making it suitable for abrasive applications where surface cleanliness and controlled finishing are important.
SEPPE supplies macro grits, micro powder, aggregate sizes and customized particle size grades according to final application and purchase requirements.
High Purity: Typical Al2O3 content is around 99.3%-99.5%, supporting clean abrasive performance and stable quality.
High Hardness: Mohs hardness around 9 provides sharp cutting ability for grinding, blasting, polishing and surface preparation.
Low Iron White Abrasive: White appearance and controlled Fe2O3 content help reduce contamination risk in precision finishing and decorative surface treatment.
Stable Chemistry: Controlled SiO2, Na2O and Fe2O3 levels help support consistent abrasive performance from batch to batch.
Wide Particle Size Range: 0-1mm, 1-3mm, 3-5mm, powder and custom refractory grades can be supplied according to application requirements.
| Main Content | alpha-Al2O3 |
| Specific Gravity | >=3.60 g/cm3 |
| Bulk Density | 1.5-2kg/m3 |
| Hardness | 9 Mohs |
| Color | White |
| Melting Point | 2350°C |
| Coefficient of Linear Expansion | (7-9)*10^-6/K, 0-1600°C |
| Size Available | 0-1mm / 1-3mm / 3-5mm / powder, with custom refractory grades upon request |
| Package | Jumbo bag, 25 kg bag and 40 bags on a pallet |
| Grit / Size | Al2O3 | SiO2 | Na2O | Fe2O3 |
|---|---|---|---|---|
| 0-1mm | 99.00% Min | 0.10% Max | 0.40% Max | 0.12% Max |
| 1-3mm | 99.00% Min | 0.10% Max | 0.40% Max | 0.12% Max |
| 3-5mm | 99.00% Min | 0.10% Max | 0.40% Max | 0.12% Max |
| Powder | 99.00% Min | 0.10% Max | 0.40% Max | 0.12% Max |
High-purity alumina selection → Electric arc furnace fusion → Cooling and crystallization → Crushing → Magnetic separation → Screening and classification → Final inspection → Packaging.
The process is designed to control alumina purity, impurity level, magnetic material, particle size distribution and visual whiteness for stable application performance.
Chemical composition testing for Al2O3, SiO2, Na2O, Fe2O3 and other indicators according to grade requirements.
Particle size distribution inspection according to ordered macro grit, micro powder or aggregate specification.
Magnetic material control, moisture review and visual whiteness inspection to support clean abrasive performance.
Batch COA, TDS, sample testing and third-party inspection can be arranged according to purchase requirements.
▸ Common packaging includes jumbo bags, 25 kg bags and 40 bags on a pallet. Customized packaging can be discussed according to order requirements.
▸ Palletizing, container loading, private label packaging and inspection support can be arranged upon request.
▸ Store in dry conditions and protect bags from moisture, contamination and package damage before use.
Yes. It can be used in refractory castables, ceramic materials, kiln furniture, furnace lining and other alumina-based high-temperature materials.
Al2O3 content, impurity oxides, particle size distribution, moisture, melting point and thermal stability reference should be reviewed according to application.
Yes. Aggregate sizes, fine powder and custom particle size combinations can be discussed according to refractory formulation.
Yes. This grade can support both refractory and abrasive applications when the ordered size and specification match the use.
Yes. Batch COA, particle size report, retained sample support and third-party inspection coordination can be arranged.
Contact SEPPE for grit size selection, chemical specification, grade-specific COA, TDS, samples, packaging and bulk order support.
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