NY2 Fused Alumina
Fused Alumina Manufacturer | High-Performance Abrasives & Refractories Solutions
Product Features
The three major features of Fused Alumina melted at high temperature in an electric arc furnace:
Extreme hardness
Mohs hardness 9.0-9.2 (second only to diamond), wear resistance increased by 50%
Thermal stability
Withstands high temperatures of 1800°C, thermal expansion coefficient as low as 8×10⁻⁶/°C
Chemical inertness
Acid and alkali erosion resistance, acid and alkali weight loss rate <0.2% (ASTM C863 standard)
Technical Parameters
| Type |
Al₂O₃content
|
Typical applications
|
Cost advantage
|
| Brown Fused Alumina | 95%+ | Sandblasting/Refractory | 40% lower than white corundum |
| White Fused Alumina | 99%+ | Precision polishing/semiconductor | High purity customization |
| Zirconia Alumina | 40% ZrO₂ | Heavy duty cutting | Lifespan is 3 times that of BFA |
Fused Alumina's Global Applications
From steel metallurgy to aerospace technology, Fused Alumina empowers modern industry in a variety of forms:
Abrasives
Sandblasting grade: 16#-80# coarse grain size, ship rust removal efficiency reaches 12㎡/h
Grinding wheel grade: micro powder W63-W5, Ra surface roughness ≤0.1μm
Case: Provide BFA-36# sandblasting media for Hyundai Heavy Industries of South Korea, saving $8,500 in coating costs per ship
Refractory materials
Compounded with plate-shaped alumina, the thermal shock resistance of castables is improved to 20 cycles
Customized solution: 6-8mm particle grading optimization, ladle life extended to 120 furnaces
Advanced manufacturing
Semiconductor wafer polishing: WFA micro powder particle size control ±0.5μm
H4 Plasma spraying: spherical alumina powder fluidity ＞85%
Why choose our Fused Alumina?
NYTWO Diamond takes arc melting technology as its core and redefines the industry standard of Fused Alumina:
Purity control
Selection of bauxite raw materials (Fe₂O₃＜0.1%)
2250°C arc furnace smelting, Al₂O₃ crystallinity＞98%
Accurate particle size
German FRITSCH laser particle size analyzer sorting, screening accuracy ±3%
Support 4-240# standard particle size and customized micro powder
Sustainable production
Waste heat power generation system reduces energy consumption by 22%
Water recycling rate reaches 95%
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