white fused alumina grains for sand blasting
Quick Detail
- FOB Price : USD $900.00 / Piece
- Minimum order:1
- Place of Origin:China
- color:white
- mosh hardness:9.0
- bulk density:1.75-1.95
- real density:3.95
- maximum service temperature:1900
- melting point:2250
- OEM:yes
Specifications
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Characteristic
1.High hardness
2.High purity
3.Good self-sharpening
4.Strong grinding ability
5.Acid-alkali corrosion resistance
6.High temperature resistance and
7.Good thermal stability
Production process
White fused alumina was made from the high quality by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha---Al2O3.
Application
1.Spraying and grinding.
2.High-end products, crafts or hardware products surface beautification processing.
3.Precision casting, silicon crystal cutting, advanced refractories and ceramic additives.
4.Bonded abrasives and coated abrasives.
5.Processing harder and stronger tensile strength materials such as quenching steel, alloy steel, high speed steel and high carbon steel.
6.Ultra-precision Grinding and Polishing in Crystal and Electronics Industry, Precise Surface Treatment of Metal and Optical Products
7.Contact media, insulators and precision casting sand.
Physical Properties
| Color | White |
| Mosh hardness | 9.0 |
| Bulk density | 1.75-1.95 |
| Real density | 3.95 |
| Melting point | 2250 |
| Maximum service temperature | 1900 |
Chemical Analysis
| Al2O3 | Fe2O3 | Na2O | SiO2 | |
| Sectional sand | 99.5% | 0.04% | 0.06% | 0.3% |
| Fines | 99.0% | 0.1% | 0.08% | 0.35% |
| Grains | 99.5% | 0.04% | 0.04% | 0.23% |
| Micro powder | 99.2% | 0.06% | 0.08% | 0.35% |
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Size
Sectional sand
0-1mm 1-3mm 3-5mm 5-8mm
Fines
100#-0 200#-0 320#-0
Grains
8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# 240#
Micro powder
W--- W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5
GB---240# 280# 320# 400# 500# 600# 800# 1000# 1200# 1500# 2000# 2500# 3000#
JIS---#240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000
FEPA---F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000
