The grain size of abrasives applied in blasting
Below standard should be followed for mostly sand blasting material, for example brown fused alumina, white fused alumina, pink fused alumina, black silicon carbide, green silicon carbide...
Steel grit and steel shots , glass beads, ceramic beads will be other specifications according with standard or client's requirements.
Grain | Thickest size | Thick size | Basic size | Mixed size | Thin size | |||
100% passing Sieve No. | Sieve No. | On sieve≤ Wt%
| Sieve No. | On sieve ≥ Wt%
| Sieve No. | On sieve ≥ Wt% | Sieve No. On sieve≤ 5% | |
16 | 8 | 14 | 25 | 16 | 35 | 16 18 | 70 | 25 |
20 | 10 | 16 | 25 | 18 | 35 | 18 20 | 70 | 30 |
24 | 14 | 18 | 25 | 20 | 35 | 20 25 | 60 | 40 |
30 | 16 | 20 | 30 | 30 | 45 | 30 35 | 60 | 45 |
36 | 18 | 25 | 15 | 35 | 50 | 35 40 | 80 | 50 |
46 | 25 | 40 | 30 | 45 | 30 | 45 50 | 55 | 70 |
54 | 30 | 45 | 35 | 50 | 25 | 50 60 | 60 | 80 |
60 | 35 | 50 | 30 | 60 | 35 | 60 70 | 60 | 100 |
70 | 40 | 60 | 25 | 70 | 35 | 70 80 | 65 | 120 |
80 | 45 | 70 | 35 | 80 | 30 | 80 100 | 60 | 140 |
90 | 50 | 80 | 25 | 100 | 35 | 100 120 | 60 | 170 |
100 | 60 | 100 | 25 | 120 | 30 | 120 140 | 55 | 230 |
120 | 70 | 120 | 25 | 140 | 20 | 140 170 | 50 | 270 |
150 | 80 | 140 | 25 | 170 200 | 30 | 170 200 230 | 60 | 325 |
180 | 80 | 170 | 20 | 200 230 | 30 | 200 230 270 | 60 | - |
220 | 100 | 200 | 15 | 230 270 | 30 | 230 270 325 | 50 | - |
