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L/D |
HK-50F | ≤0.60 | ≥50 | ≥6-12:1 |
HK-60F | ≤0.56 | ≥60 | ≥6-12:1 |
HK-90 | ≤0.50 | ≥75 | ≥15-20:1 |
?? | SiO2 | CaO | Fe2O3 | Al2O3 | MgO | L.O.I. |
HK-50F | 40MIN | 40MIN | 1.2MAX | 2.0MAX | 2.0MAX | 12MAX |
HK-60F | 43MIN | 42MIN | 1.0MAX | 2.0MAX | 1.5MAX | 8MAX |
HK-90 | 48MIN | 45MIN | 0.50MAX | 1.0MAX | 1.0MAX | 4.0MAX |