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Shandong
Long-term effective
2020-04-30 10:18
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Company Profile
By certification [File Integrity]
Contact：qdzhongguanglian(Mr.)
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Telephone：
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Area：Shandong
Address：Shandong
Website：http://www.zhongabrasives.com/ http://qdzhongguanglian.crpjc.com/
1. White Fused Alumina (WA)
Code: WA
White Fused Alumina is made from Aluminium Oxide powder. It is electrically fused in high temperature. It is white. Comparing with Brown fused alumina, its hardness is a little higher, but its toughness is little lower. Our WA has the features of stable quality, well-distributed particle size composition, low magnetic substance content, high bulk density and toughness, and high cleanliness, etc.
The abrasive tools made by WA are suitable for grinding high-carbon steel, high-speed steel and chilled steel, etc. In addition, it can be also used for polishing materials, precision casting sand, spraying materials, chemical catalyst carrier, special ceramics and high-grade refractories, etc.
Chemical composition:
Chemical Composition Gritsize range |
Al₂O₃(%) |
Na₂O(%) |
F12-F80 |
≥99.0 |
≤0.50 |
F90-F150 |
≥98.50 |
≤0.60 |
F180-F220 |
≥98.20 |
≤0.70 |
Physical property:
Basicminerals |
Crystal size (um) |
Truedensity (ɡ/cm?) |
Bulkdensity (ɡ/cm?) |
Hardness ㎏/mm? |
a-Al₂O₃ |
600-1400 |
≥3.90 |
1.40-1.95 |
2200-2300 |
Standard: FEAP- F (For Bonded abrasives),
FEPA- P (For Coated abrasives).
Grit available: Grit FEPA F12 – F220#.
F240-F2000# (Micropowder)
Grit FEPA P12-220#.
P240-P2500# (Micropowder)
2. White fused alumina -Heated & Ceramic coated
CODE: BC-WFA-HCC
WFA-HCC is ceramic coated with ferric oxide on the surface by a specific processing. It is made from high quality white fused alumina calcined at high temperature through intensive deep processing. The product features a large specific surface area, stronger hydrophilicity, even particle size, higher purity, stronger binding power, cutting effciency and good heat dispersion performance, it's main performance indexes are as below: compared with normal BFA, BFA-HCC micro-hardness increases 10%, toughness increases 10%, hydrophilicity increase 3.5 times, grinding and cutting quantity increases 3% and efficiency increase 30%-50%.
It is the best choice and very popular for making top grade resin cut-off wheels.
Standard: FEAP F (Bonded abrasives)
Grit available: Grit F12 – F220#. Other sizes are also available on request.
http://www.zhongabrasives.com/
