White Fused Alumina180 240 Sandblasting for Semiconductor Quartz Products
| White fused alumina was made from the high quality alumina by melting above 2000℃ in the electric arc furnace and cooling.it is white with the main crystal phase a-al2o3 | |||||||||||
| Physical properties | |||||||||||
| Mohs hardness | 9 | ||||||||||
| Bulk density | 1.75–1.95 g/cm³ | ||||||||||
| True density | 3.95 g/cm³ | ||||||||||
| Apparent density | 3.60 g/cm³ | ||||||||||
| Maximum service temperature | 1900 ℃ | ||||||||||
| Melting point | 2250 ℃ | ||||||||||
| 2. Used for abrasives,blasting,grinding,ceramic,rust removal,surface treatment, | |||||||||||
| Size | Al2O3 | Fe2O3 | Na2O | MgO | CaO | ||||||
| F8-F220 /IIS#8-#220 | ≥99.5 | ≤0.04 | ≤0.2 | ≤0.02 | ≤0.02 | ||||||
| PARTICLE SIZE DISTRIBUTION | |||||||||||
| F8-F220 macrogrit particle size distribution | |||||||||||
| Grit | 1 | 2 | 3 | 3 and 4 | 3, 4, and 5 | Q6max, % | |||||
| W1, μm | Q1, % | W2, μm | Q2max, % | W3, μm | Q3min, % | W4, μm | Q3+Q4min, % | W5, μm | Q3+Q4+Q5min, % | ||
| F8/JIS#8 | 4000 | 0 | 2800 | 20 | 2360 | 45 | 2000 | 70 | 1700 | * | 3 |
| F10/JIS#10 | 3350 | 0 | 2360 | 20 | 2000 | 45 | 1700 | 70 | 1400 | * | 3 |
| F12/JIS#12 | 2800 | 0 | 2000 | 20 | 1700 | 45 | 1400 | 70 | 1180 | * | 3 |
| F14/JIS#14 | 2360 | 0 | 1700 | 20 | 1400 | 45 | 1180 | 70 | 1000 | * | 3 |
| F16/JIS#16 | 2000 | 0 | 1400 | 20 | 1180 | 45 | 1000 | 70 | 850 | * | 3 |
| F20/JIS#20 | 1700 | 0 | 1180 | 20 | 1000 | 45 | 850 | 70 | 710 | * | 3 |
| F22/JIS#22 | 1400 | 0 | 1000 | 20 | 850 | 45 | 710 | 70 | 600 | * | 3 |
| F24/JIS#24 | 1180 | 0 | 850 | 25 | 710 | 45 | 600 | 65 | 500 | * | 3 |
| F30/JIS#30 | 1000 | 0 | 710 | 25 | 600 | 45 | 500 | 65 | 425 | * | 3 |
| F36/JIS#36 | 850 | 0 | 600 | 25 | 500 | 45 | 425 | 65 | 355 | * | 3 |
| F40/JIS#40 | 710 | 0 | 500 | 30 | 425 | 40 | 355 | 65 | 300 | * | 3 |
| F46/JIS#46 | 600 | 0 | 425 | 30 | 355 | 40 | 300 | 65 | 250 | * | 3 |
| F54/JIS#54 | 500 | 0 | 355 | 30 | 300 | 40 | 250 | 65 | 212 | * | 3 |
| F60/JIS#60 | 425 | 0 | 300 | 30 | 250 | 40 | 212 | 65 | 180 | * | 3 |
| F70/JIS#70 | 355 | 0 | 250 | 25 | 212 | 40 | 180 | 65 | 150 | * | 3 |
| F80/JIS#80 | 300 | 0 | 212 | 25 | 180 | 40 | 150 | 65 | 125 | * | 3 |
| F90/JIS#90 | 250 | 0 | 180 | 20 | 150 | 40 | 125 | 65 | 106 | * | 3 |
| F100/JIS#100 | 212 | 0 | 150 | 20 | 125 | 40 | 106 | 65 | 75 | * | 3 |
| F120/JIS#120 | 180 | 0 | 125 | 20 | 106 | 40 | 90 | 65 | 63 | * | 3 |
| F150/JIS#150 | 150 | 0 | 106 | 15 | 75 | 40 | 63 | 65 | 45 | * | 3 |
| F180/JIS#180 | 125 | 0 | 90 | 15 | 75 | * | 63 | 40 | 53 | 65 | * |
| F220/JIS#220 | 106 | 0 | 75 | 15 | 63 | * | 53 | 40 | 45 | 60 | * |
| * – not regulated W1,W2,W3,W4,W5 – cell size of 1,2,3,4 and 5 sieve in light Q1,Q2,Q3 – rest of grinding material on sieves 1,2 and 3 Q3+Q4 – total rest of grinding material on sieves 3 and 4 Q3+Q4+Q5 – total rest of grinding material on sieves 3, 4 and 5 Q6 – rest of grinding material on pallet | |||||||||||
