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Brown Fused Alumina P Grain P12-240 for Coated Abrasives
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Brown Fused Alumina P Grain P12-240 for Coated Abrasives
Brown Fused Alumina Introduction:
Brown fused alumina is made by electric arc furnace smelting under high temperature with the raw material of bauxite, anthracite and scrap iron. The main ingredient is AL2O3. It is characteristic with high hardness, high toughness and high abrasion resistance. Brown fused alumina P grain is widely used in coated abrasive such as abrasive cloth, abrasive paper abrasive belts, etc.
Brown Fused Alumina Chemical Analysis:
Purpose | Grain Size | Chemical Composition% | ||||
Al2O3 | Fe2O3 | SiO2 | TiO2 | Cao | ||
Coated Abrasives | P12-P80 | 95 | 0.3 | 1.2 | 1.7-3.4 | 0.42 |
P100-P150 | 94 | 0.3 | 1.2 | 1.7-3.4 | 0.42 | |
P180-P220 | 94 | 0.3 | 1.4 | 1.5-3.6 | 0.45 | |
Notice: Special requirement of chemical composition can be negotiated.
Brown Fused Alumina Physical Properties:
Color | Brown |
Hardness | 9 Mohs Scale |
Crystal Form | Alpha-alumina trigonal |
Grain Shape | Angular |
Melting point | Approx. 2000 °C |
True Density | Approx 3.90 g/cm3 |
Brown Fused Alumina Particle Size Distribution for P Grain
Grit | Test Sieve | Q6max, % | |||||||||
1 | 2 | 3 | 4 | 5 | |||||||
W1, mm | Q1, % | W2, mm | Q2max, % | W3, mm | Q3min, % | W4, mm | Q4min, % | W5, mm | Q5min, % | ||
P12 | 3.35 | 0 | 2.36 | 1 | 2.00 | 14±4 | 1.70 | 61±9 | 1.40 | 92 | 8 |
P16 | 2.36 | 0 | 1.70 | 3 | 1.40 | 26±6 | 1.18 | 75±9 | 1.00 | 96 | 4 |
P20 | 1.70 | 0 | 1,18 | 7 | 1.00 | 42±8 | -850 | 56±6 | -710 | 96 | 4 |
P24 | 1.40 | 0 | 1.00 | 1 | -850 | 14±4 | -710 | 61±9 | -600 | 92 | 8 |
P30 | 1.18 | 0 | -850 | 1 | -710 | 14±4 | -600 | 61±9 | -500 | 92 | 8 |
P36 | 1.00 | 0 | -710 | 1 | -600 | 14±4 | -500 | 61±9 | -425 | 92 | 8 |
P40 | -710 | 0 | -500 | 7 | -425 | 42±8 | -355 | 86±6 | -300 | 96 | 4 |
P50 | -600 | 0 | -425 | 3 | -355 | 26±6 | -300 | 75±9 | -250 | 96 | 4 |
P60 | -500 | 0 | -355 | 1 | -300 | 14±4 | -250 | 61±9 | -212 | 92 | 8 |
P80 | -355 | 0 | -250 | 3 | -212 | 26±6 | -180 | 75±9 | -150 | 96 | 4 |
P100 | -300 | 0 | -212 | 1 | -180 | 14±4 | -150 | 61±9 | -125 | 92 | 8 |
P120 | -212 | 0 | -150 | 7 | -125 | 42±8 | -106 | 86±6 | -90 | 96 | 4 |
P150 | -180 | 0 | -125 | 3 | -106 | 26±6 | -90 | 75±9 | -75 | 96 | 4 |
P180 | -150 | 0 | -106 | 2 | -90 | 15±5 | -75 | 62±12 | -63 | 90 | 10 |
P220 | -125 | 0 | -90 | 2 | -75 | 15±5 | -63 | 62±12 | -53 | 90 | 10 |
W1, W2, W3, W4, W5 - sieve size
Q1 - rest of grinding material on sieve 1
Q2 - total rest of material on sieves 1 and 2
Q3 - total rest of material on sieves 1, 2 and 3
Q4 - total rest of material on sieves 1, 2, 3 and 4
Q5 - total rest of material on sieves 1, 2, 3, 4 and 5
Q6 - total rest of material on pallet
Applications:
?Reusable abrasive grain
?Grinding, lapping and polishing abrasive materials
?Coated abrasive tools (brown aluminum oxide abrasive paper, abrasive belt, abrasive cloth)
Available Grain Size:
P12, P16, P20, P24, P30, P36, P40, P40, P60, P80, P100, P120, P150, P180, P220
Packing:
1M/T big bag or 25kgs bag, Pallet available
Our Advantages:
1. Professional manufacturer, more than 20 years experiences
2. Ensure clients stable quality.
3. Having our own testing laboratory which guarantees products quality
4. Available to deliver samples to clients before place an order. Trail order for testing is also workable.
5. Production capacity: annual output 40000 MT.
6. Available to customize according to clients specifications.
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