China White Fused Alumina Supplier

White fused alumina micro powder

White fused alumina sand

1. Electric melting process

"While competitors use indirect heating, our DC arc furnaces at 2200°C achieve complete α-Al₂O₃ crystallization. Post-crush SEM analysis (Fig.1) shows >95% monocrystalline grains with intact rhombohedral facets – critical for consistent cutting edges. This eliminates secondary fractures that cause premature wheel wear."

2. Cryogenic fine powder processing technology

"Conventional milling generates heat-induced micro-cracks. Our cryogenic process at -196°C embrittles alumina prior to jet milling, yielding micropowders with:

  • Sphericity index ≥0.92 (vs 0.78 industry avg)

  • Zero amorphous phase contamination (XRD verified)
    Ideal for optical glass polishing where angular particles cause haze."

3. Example of aviation domain certification

"After switching to Yumo WFA, Rolls-Royce reported:

  • 37% longer wheel life in Inconel 718 grinding

  • Ra 0.1μm surface finish on turbine blades (per AMS 2448)
    Download the full metallurgical analysis including SEM wear scar comparisons."

4. Semi-conductive system

"Our multi-stage fluidized bed chlorination reduces metallic impurities to ppb levels:

  • Fe: <8ppm → <50ppb

  • Na: <300ppm → <20ppb
    Certified compliant with SEMI F72-0301 for 300mm wafer CMP."

Packaging & Shipping

We can provide 1MT/25Kg woven plastic bags and 25Kg paper bags. And ton bag packaging.

All of our abrasive products are carefully processed during storage and transportation to maintain their quality in their original state.