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Product description:
WA abrasive aluminium oxide powder F400
White fused alumina was made from the high-quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha-Al2O3. The white alumina produced in titling electric arc furnace has the advantage of high bulk density and low porosity and good volume stability and thermal shock resistance. As a most common used corundum in the abrasive industry, White fused alumina has a long history in applications because of its high hardness, good self-sharpening advantages. By adopting high-quality grade materials, strict quality control system, developed production technology, HAIXU’s white fused alumina get a high purity, stable quality and good distribution.
The micro-powder from Haixu Abrasives are acid-washed and get water pickled, by this process, the white fused alumina powder is with better purity and better grit size distribution.
Technical datasheet:
| TYPICAL CHEMICAL ANALYSIS | ||
| AL2O3 | ≥99% | |
| Fe2O3 | ≤0.10% | |
| NA2O | ≤0.30% | |
| TYPICAL PHYSICAL PROPERTIES | ||
| Hardness: | Mohs:9.0 | |
| Maximum service temperature: | 1900 ℃ | |
| Melting Point: | 2250 ℃ | |
| Specific Gravity: | 3.95g/cm3 | |
| Volume density | 3.6g/cm3 | |
| Bulk density(LPD): | 1.55-1.95 g/cm3 | |
| Colour: | White | |
| Particle shape: | Angular | |
| Available size: | ||
| FEPA | F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 | |
| JIS | 240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# 10000# | |
Product Images:
D50 Size for Micropowder:
| FEPA-micro grits sizes | |
| Grit designation | Mean grain size ds50-value in μm |
| F 230 | 53.0 ± 3 |
| F 240 | 44.5 ± 2 |
| F 280 | 36.5 ± 1.5 |
| F 320 | 29.2 ± 1.5 |
| F 360 | 22.8 ± 1.5 |
| F 400 | 17.3 ± 1 |
| F 500 | 12.8 ± 1 |
| F 600 | 9.3 ± 1 |
| F 800 | 6.5 ± 1 |
| F 1000 | 4.5 ± 0.8 |
| F 1200 | 3.0 ± 0.5 |
| F 1500 | 2.0 ± 0.4 |
| F 2000 | 1.2 ± 0.3 |
| F 3000 | 0.8±0.2 |
Product Features:
· High hardness and dense particles. Single-particle roundness is good.
· The colour is pure white, no impurities, to ensure the wear-resistant layer or wear-resistant paper colour and transparency.
· Uniform distribution of particle size, single-particle shape consistent, with a small amount of wear-resistant effect.
· Excellent Chemical stability with high acid-alkali resistance, high-temperature stability.
· WA abrasive aluminium oxide powder is produced strictly according to FEPA and JIS standard, all products are tested and qualified before shipment.
· Low electrical conductivity; moderately-high thermal conductivity; good refractoriness and resistance to molten metals.
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Related application:
Surface treatment/finishing.
Lapping, polishing, decorative non-skid tile, and pressure blasting.
Ceramic tiles special ceramics.
Additives in epoxy floor painting, special coating.
The ideal raw material for oilstone, sharpening stone, whetstone, and other lapping tools.
Anti-friction material, anti-resisting grounds/paper/painting.
Ceramic water filter material such as filter plate and ceramic membrane tube.
Wear resistance coating, laminates.
Used for making polishing paste/solution etc.
Production Process:
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