Material | Mixture | ||||
| G10 | G20 | G30 | G40 | G50 |
B2 (%) | 10 | 20 | 30 | 40 | 50 |
B1 (%) | 90 | 80 | 70 | 60 | 50 |
| SL5 or SK5 | SL10 or SK10 | SL15 or SK15 | SL20 or SK20 | SL25 or SK25 |
SL or SK (%) | 5 | 10 | 15 | 20 | 25 |
B1 (%) | 95 | 90 | 85 | 80 | 75 |