Información
Escala de tamiz estándar
| Fineza | ||
| Dimensiones del tamiz | Apertura del tamiz, mm, µm | Apertura del tamiz, inç |
| 1/4" | 6.3 mm | 0.250 |
| No. 3-1/2 | 5.6 mm | 0.223 |
| No. 4 | 4.75 mm | 0.187 |
| No. 5 | 4.00 mm | 0.157 |
| No. 6 | 3.35 mm | 0.132 |
| No. 7 | 2.80 mm | 0.111 |
| No. 8 | 2.36 mm | 0.0937 |
| No. 10 | 2.00 mm | 0.0787 |
| No. 12 | 1.70 mm | 0.0661 |
| No.14 | 1.40 mm | 0.0555 |
| No. 16 | 1.18 mm | 0.0469 |
| No. 18 | 1.00 mm | 0.0394 |
| No. 20 | 850 µm | 0.0331 |
| No. 25 | 710 µm | 0.0278 |
| No. 30 | 600 µm | 0.0234 |
| No. 35 | 500 µm | 0.0197 |
| No. 40 | 425 µm | 0.0165 |
| No. 45 | 355 µm | 0.0139 |
| No. 50 | 300 µm | 0.0117 |
| No. 60 | 250 µm | 0.0098 |
| No. 70 | 212 µm | 0.0083 |
| No. 80 | 180 µm | 0.0070 |
| No. 100 | 150 µm | 0.0059 |
| No. 120 | 125 µm | 0.0049 |
| No. 140 | 106 µm | 0.0041 |
| No. 170 | 90 µm | 0.0035 |
| No. 200 | 75 µm | 0.0029 |
| No. 230 | 63 µm | 0.0025 |
| No. 270 | 53 µm | 0.0021 |
| No. 325 | 45 µm | 0.0017 |
| No. 400 | 38 µm | 0.0015 |
Esta tabla se comparte con fines informativos.