ASTM CODE | ISO CODE |
FEPA | CUSTOM DIAMETER | Aantal Stenen |
Gemiddelde diameter |
US mesh |
Microns |
Code |
Code |
per carat |
in microns |
16/18 | 1180/1000 | D 1181 | 610 | 63 | 1189 |
16/20 | 1180/850 | D 1182 | 605 | 80 | 1140 |
18/20 | 1000/850 | D 1001 | 600 | 100 | 1000 |
20/25 | 850/710 | D 851 | 590 | 180 | 841 |
20/30 | 850/600 | D 852 | 585 | 250 | 771 |
25/30 | 710/600 | D 711 | 580 | 320 | 707 |
25/35 | 710/500 | D 712 | 575 | 440 | 645 |
30/35 | 600/500 | D 601 | 570 | 560 | 595 |
30/40 | 600/425 | D 602 | 565 | 755 | 545 |
35/40 | 500/425 | D 501 | 560 | 950 | 500 |
35/45 | 500/355 | D 502 | 555 | 1270 | 455 |
40/45 | 425/355 | D 426 | 550 | 1600 | 420 |
40/50 | 425/300 | D 427 | 545 | 2150 | 385 |
45/50 | 355/300 | D 356 | 540 | 2700 | 354 |
45/60 | 355/250 | D 357 | 535 | 3650 | 320 |
50/60 | 300/250 | D 301 | 530 | 4600< | 297 |
50/70 | 300/212 | D 302 | 525 | 6200 | 270 |
60/70 | 250/212 | D 251 | 520 | 7800 | 250 |
60/80 | 250/180 | D 252 | 515 | 10400 | 229 |
70/80 | 212/180 | D 213 | 510 | 13000 | 210 |
80/100 | 180/150 | D 181 | 500 | 22000 | 177 |
100/120 | 150/125 | D 151 | 490 | 37000 | 149 |
120/140 | 125/106 | D 126 | 480 | 62000 | 125 |
140/170 | 106/90 | D 107 | 470 | 0.10 M | 105 |
170/200 | 90/75 | D 91 | 460 | 0.18 M | 88 |
200/230 | 75/63 | D 76 | 450 | 0.30 M | 74 |
230/270 | 63/53 | * D 64 | 440 | 0.50 M | 63 |
270/325 | 53/45 | * D 54 | 430 | 0.84 M | 53 |
325/400 | 45/38 | * D 46 | 420 | 1.40 M | 44 |
400/500 | 38/25 | * D 39 | 410 | 2.40 M | 37 |