Abrasive White Corundum Powder
Industrial White Alumina Powder | 99.6% Purity • Sodium-Free • Precision Grinding Solution
"Arc-fused white alumina powder that solves three grinding nightmares:
Stainless steel rust spots, silicon wafer scratches, and ceramic chipping."
What Matters Most to You:
"Optical-grade powder with >0.01% magnetic particles ruins lenses. Ours: <0.003%."
99.6% Purity
Fe₂O₃<0.02% (zero workpiece rust)
0.2% Sodium
Industry average 0.5% (no high-temperature corrosion)
True Density 3.96
30% less abrasive needed in wheels
Workshop-level solutions
Stainless Steel Polishing Stains
"Solution for valve manufacturer:
→ Switched to W10 (8000#) alumina slurry
→ Stains eliminated • Ra improved 0.12μm→0.05μm
→ The cost of grinding agents per ton of workpiece decreased"
Silicon Wafer Backside Thinning
Customer Pain: TTV >5μm deviation
Our Formula:
• Grit: W20 (2000#)
• Concentration: 22% PEG solution
• Result: TTV=1.8μm • Edge chipping<0.07%
Ceramic Seal Ring Finishing
"Shandong ceramic plant data:
|
Brown Alumina |
NYTWO White Alumina |
|
|
Wear Ratio |
1:320 |
1:850 |
|
Leak Rate |
10⁻³ mbar·L/s |
10⁻⁶ |
6-Step Verification
Raw Material: Shandong Aluminum oxide (batch-tracked)
Smelting: 2200°C × 48hr (temp logs available)
Crushing: Ceramic rollers (zero iron contamination)
Classification: Hourly laser particle checks
Packaging: Foil bags + nitrogen purge (<0.1% moisture)
Archiving: 2-year sample retention
Clumping? Don't force it! Contact us immediately
Causes: Rain exposure / humid storage
Fix: 150°C drying × 4 hours restores flow
Must-Knows
Tip 01
Avoid >W40 grit for mirror polishing (risk of scratches)
Tip 02
Reseal after opening (critical in humid climates)
Tip 03
Hardness ≠ wear resistance: Mohs 9.2 but less tough than diamond
Shipping Notes
25kg/bag • Double-layer moisture barrier
Waterproof bulk bags added during monsoon season
If any of these sound familiar:
⊙ Polishing high-precision SS/ceramics
⊙ Fighting contamination issues
⊙ Tested >3 abrasives with poor results
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