Flat ring. Its height-diameter ration is 0.2-0.4. Internal transverse staggered muscles increases its mechanical strength.
Size (mm) |
Surface Area (m2/m3) |
Voidage % |
Number (n/m3) |
Bulk Density 304 (kg/m3) |
---|---|---|---|---|
25 | 160 | 88 | 170000 | / |
39 | 145 | 92 | 46000 | / |
50 | 128 | 93 | 21500 | / |
76 | 116 | 93 | 6500 | / |