Specification | HRY-I | HRY-II | HRY-III | HRY-IV |
Modulus | 2.00-2.20 | 2.30-2.50 | 2.80-3.00 | 3.10-3.40 |
SiO2 % | 49.0-53.0 | 52.0-56.0 | 57.0-61.0 | 59.0-63.0 |
Na2O % | 24.0-27.0 | 22.0-25.0 | 20.0-23.0 | 18.0-21.0 |
dissolution rate, s | < 90 | < 90 | < 180 | < 240 |
apparent density g/ml | 0.50-0.80 | 0.50-0.80 | 0.50-0.80 | 0.50-0.80 |
Fineness (100mesh residue on sieve) | < 5 | < 5 | < 5 | < 5 |