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China White Fused Alumina/WA/WFA Manufacturer
1.Product introduction
White fused alumina is a kind of artificial abrasive. Electrically fused in arc at high temperature above 2000 degrees furnace with high grade processed alumina as raw material. It has higher hardness and slight lower toughness comparing with brown fused alumina. It is also characterized by its high purity, high melting point ,ability of self-sharpening, better cutting, less heat emit, higher efficiency, acid and alkali resistance, good thermal stability. The content of Al2O3 is over 99%, and contains a small amount of iron oxide, silicon oxide and other components.As the abrasive materials, it is suitable for grinding high-speed, high carbon steel, as loose grains, it widely used for bonded and coated abrasives , polishing, precision casting industry and so on . White fused alumina has four types of grain,fine powder,grit and powder.
2. Product index
Physical index | |||||
Colour |
White |
||||
Moh's hardness |
9 |
||||
True density |
3.90g/cm3 |
||||
Bulk density |
3.50g/cm3 |
||||
Melting point |
2250℃ |
||||
Maximum operation temperature |
1900℃ |
||||
Chemical index | |||||
grain |
fine powder |
grit |
powder |
||
Al2O3 |
99% |
98.5% |
99% |
98% |
|
Fe2O3 |
0.08% |
0.25% |
0.1% |
0.1% |
|
Na2O |
0.3% |
0.4% |
0.3% |
0.23-0.35% |
|
3. Product advantages
(1) does not affect the color of the workpiece;
(2) can be used in the process of iron powder is strictly prohibited to blasting;
(3) fine powder level is very suitable for wet sandblasting and polishing operations;
(4) high processing speed and high quality;
(5) the amount of iron oxide contained in the extremely low forbidden iron residue sandblasting operations;
(6) after the pickling step to remove impurities, the alumina content is higher.
4.Product model
grain |
0-1mm 1-3mm 3-5mm 5-8mm |
|
fine powder |
100#-0 200#-0 320#-0/325# |
|
|
grit |
8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# 240# |
|
|
powder |
“W” |
W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5 |
“FEPA” |
F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 |
|
|
“JIS” |
240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# 10000# |
|
5. Product application
(1) Refractory,Furnance burden, Castable, Ramming compoynd,Refractory
bricks etc
(2) Blasting,Surface treatment, Rust removal
(3) Cusmetics products manufacturing,Beauty crafts and Dermabrasion etc
(4) Ceramic products
(5) Grinding wheels,Sandpaper etc
(6) Glaze,Floor coating, Floor / Wall laminates
(7) Raw material of Knife grinder, Whetstone,Oilstone,Grinding stone,
Abrasive stones and so on
(8) Used to produce Polishing wax,Polishing fluid,Grinding powder,Grinding fluid and so on
(9) Wear-resisting floor
(10) Brake linings
6.Others
(1) We are factory.So you do not have to worry about quality and price, we can guarantee the best quality and the most reasonable price.
(2) We could offer the sample for free charge but do not pay the cost of freight.
Send Inquiry to This Supplier
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