Densità | Diametro* altezza | Superficie | Fori |
0.96-0,98 g/cm3 | 12 mm*9 mm | >800 m2/m3 | 4 camere |
11 mm*7 mm | >900 m2/m3 | 4 camere | |
10 mm*7 mm | >1000m2/m3 | 5 camere | |
16 mm*10 mm | >800 m2/m3 | 6 camere | |
25 mm*10 mm | >500 m2/m3 | 19 camere | |
1.02-1,05 g/cm3 | 25 mm*10 mm | >800 m2/m3 | 19 camere |
0.96-0,98 g/cm3 | 35 mm*18 mm | >350 m2/m3 | 19 camere |
1.02-1,05 g/cm3 | 5 mm x 10 mm | >3500 m2/m3 | 7 camere |
0.96-0,98 g/cm3 | 15 mm*15 mm | >900 m2/m3 | 40 camere |