ITEM NAME | RKB 90% | RKB 87% | RKB 86% | RKB 85% |
---|---|---|---|---|
AL2O | 90.0% min | 87.0% min | 86.0% min | 85.0% min |
Fe2O | 1.80% max | 1.90% max | 2.00% max | 2.00% max |
SiO2 | 4.00% max | 7.00% max | 8.00% max | 9.00% max |
TiO2 | 4.00% max | 4.00% max | 4.00% max | 4.00% max |
CaO+MgO | 0.50% max | 0.65% max | 0.65% max | 0.65% max |
B.D. | 3.40gr/ccm. min | 3.20gr/ccm. min | 3.15gr/ccm. min | 3.10gr/ccm. min |
Available size: 0 – 1 mm | 1 – 3 mm | 3 – 5 mm | 5 – 8 mm | Fines/Other available |
ITEM NAME | SKB 85% | SKB 82% | SKB 80% | SKB 75% |
---|---|---|---|---|
AL2O | 85.0% min | 82.0% min | 80.0% min | 75.0% min |
Fe2O | 2.00% max | 2.30% max | 2.50% max | 2.50% max |
SiO2 | 9.00% max | 12.00% max | 14.00% max | 19.00% max |
TiO2 | 4.00% max | 4.00% max | 4.00% max | 4.20% max |
CaO+MgO | 0.65% max | 0.65% max | 0.65% max | – |
B.D. | 3.10 gr/ccm. min | 2.80 gr/ccm. min | 2.80 gr/ccm. min | 2.70 gr/ccm. min |
Available size: 0 – 1 mm | 1 – 3 mm | 3 – 5 mm | 5 – 8 mm | Fines/Other available |
AL2O | 85.0% min |
Fe2O | 2.00% max |
SiO2 | 8.00% max |
TiO2 | 4.00% max |
CaO+MgO | 0.65% max |
B.D. | 3.15gr/ccm. min |
Available size: 0 – 1 mm | 1 – 3 mm | 3 – 5 mm | 5 – 8 mm | Fines/Other available |
AL2O | 85.0% min |
Fe2O | 2.00% max |
SiO2 | 7.00% max |
TiO2 | 4.50% max |
CaO+MgO | 0.50% max |
Available size: 0 – 1 mm | 1 – 3 mm | 3 – 5 mm | 5 – 8 mm | Fines/Other available |
AL2O | 86.0% min |
Fe2O | 2.50% max |
SiO2 | 6.00% max |
TiO2 | 5.00% max |
K2O | 1.50% max |
B.D. | 2.00 gr/ccm. min |
Available size: 30 mesh | 40 mesh | 200 mesh | Other available |