Price : £200.00 ppdd1012P
12-10-20 1 Hits

1. Brown fused Aluminum Oxide. Code A
Brown fused aluminum oxide is the most traditional abrasive materials. The main material of Brown fused alumina is bauxite, which is electrically fused in high temperature. It is brown and features high hardness and toughness. The abrasive tools made by Brown Aluminum Oxide are suitable for grinding the carbon steel, malleable cast iron, hard bronze etc. In addition, it is also widely used in refractory materials, chemical additives, precision casting and antissliding material, sand blasting, etc.
Standard: FEAP- F (for Bonded abrasives),
FEPA- P (for Coated abrasives)
Grit available: Grit FEPA F12 鈥?F220#.
F240-F2000# (Micro powder)
Grit FEPA P12-220#.
P240-P2500# (Micro powder)
2. Calcined Brown Fused Alumina, +1350 oC
CODE: BC-BFA -HC1350
After calcined at temperature 1350鈩? the brown fused alumina shows blue. Impurities in the grains will be separated out or vaporized. The surface of each particle becomes coarser. This improves its hydrophilicity greatly. After 1350鈩?calcinations, inner cracks of the particles from crushing and crystal cooling process are closed, Hence the toughness, strength becomes some better than normal BFA and the wearing resistance is enhanced too.
This product is mainly used for making high speed strong sanding belt, high grade bonded abrasives, resin-bonded abrasive wheels, sand paper, large cutting disc, for applications of grinding stainless steel plate, alloy steel and cemented carbide.
Comparison of toughness (Ball mill method) : BFA common grits and BFA Calcined at 1350鈩?/p>Grit size(P standard)Common Grade BFABFA Calcined 1350鈩?/strong>Increaser ate (%)
P2417.1549.35187.8
P3027.849.578.1
P4029.553.581.4
P6031.952.865.5
P10054.267.825.1
P15060.276.827.6
P22063.572.814.6
Standard: FEAP- F (for Bonded abrasives),
FEPA- P (for Coated abrasives)
Grit available: Grit FEPA F12 鈥?F220#.
Grit FEPA P12-220#.
Other sizes are also available on request.
3. Heated & Ceramic-coated Brown fused alumina
CODE: BC-BFA-HCC
BFA-HCC is ceramic coated with ferric oxide on the surface by a specific processing. It is made from high quality brown 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 is main performance indexes are as below: comparing with normal BFA, micro-hardness of BFA-HCC increases 10%, toughness increases 10%, hydrophilicity increase 3.5 times, grinding and cutting quantity increases 3% and efficiency increase 30%-50% . It is better choice for making top grade coated abrasive and top grade resin bonded wheels.
Comparison of physical performance: Normal BFA and BFA-HCC
Item name锛圙rit 60#锛?Hhydrophilicity锛圙rit 60#锛?sand-out锛圙rit 30#锛?single particle compressive strength锛圙rit 60#锛?Toughness
Normal BFA60mm1.60g27.0N32.0%
BFA-HCC141mm1.53g31.0N59.0%
ImprovementUp 130%Down 4.2%Up 14.7%Up 83.3%
Standard: FEAP- F (Bonded abrasives), FEPA- P (Coated abrasives)
Grit available: Grit FEPA F12 鈥?F220#.
Grit FEPA P12 - P220#.
Other sizes are also available on request.Abrasive Grains suppliers
website:http://www.zhongabrasives.com/abrasive-grains/

>http://www.zhongabrasives.com/abrasive-grains/

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