Polishing Grade/White Aluminium Oxide Powder JIS6000#
Polishing Grade/White Aluminum OXide Powder JIS8000#
1. Description:
Aluminum oxide powder is manufactured and packaged under rigidly controlled conditions ensuring the higheststandards of purity, uniformity and quality. This product is designed especially for the polishingoperations in critical surface preparation. It is excellent for polishing semiconductor materials, precision optics, first surface mirrors, water soluble crystals, stainless steel and alloys, aluminum memory discs,various mineral specimens, lapidary and other polishing.
2. Chemical & Physical analysis:
Physical properties |
Chemical compositions |
Content (%) |
|
Crystal body |
Hexagonal |
Al2O3 |
≥99%min |
Main crystal body |
Al2O3 |
||
Color |
white |
Na2O |
≤0.35max |
True density |
≥3.9 g/cm3 |
||
Bulk density |
1.75-1.95 g/cm3 |
SiO2 |
≤0.1%max |
Mons’ hardness |
9 |
||
Micor hardness |
21600-22600 kg/mm3 |
||
|
Linear expansion coefficient |
8.3x10-4 |
Fe2O3 |
≤0.1%max |
Loss on ignition |
≤0.06% |
||
Magnetic subtance |
0.00235max |
||
3. Applications:
grinding media, sandblasting media;
surface cleaning, grit blasting,
lapping, polishing, grinding,
sandblasting, etching
mineral skin abrasion materials
metal finishing & surface preparation
refractors, ceramics, coatings
bonded & coated abrasives
dental lab products
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