viseray is a specialty alumina supplier serving refractory, ceramic, and polishing manufacturers worldwide since 2015. We supply high-purity calcined alumina, reactive alumina, and tabular alumina — with tight control over alpha-phase content, particle size distribution (D50/D90), and specific surface area (BET). Every grade ships with a certificate of analysis. From sample to full container loads.
Product Catalogue:
- AF-C Series — Calcined Alumina | Alpha content 90-97%, D50 2-80 μm, for medium-cement and low-cement refractory castables
- AF-R Series — Reactive Alumina | Alpha content 92-99%, D50 0.5-3.0 μm, BET 3-15 m²/g, for advanced ceramics and high-performance castables
- AF-T Series — Tabular Alumina | Alpha content ≥ 95%, dense tablet-like crystals sintered above 1900°C, for high-temperature refractory aggregates
- AF-P Series — Polishing Alumina | Precision-graded abrasives, controlled particle morphology, for optical, semiconductor, and metal finishing
Website: https://viseray.com
Email: sales@viseray.com
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