Bulk density g/cm3: ≥3.75
Apparent Porosity %: ≤1.2
Cold Crushing Strength Mpa: ≥300
Exudation Temperature of Glass Phase: ≥1400
Bubble Separation Ratio(1300℃×10h): ≤1.5
Anti-corrosion rate of glass liquid 1500℃×36h (mm/24h)%: ≤1.45
Items | Indexes | |||
MS-100 | MS-120 | MS-130 | MS-140 | |
Al2O3% | 20~25 | |||
SiO2% | 35~45 | |||
MgO | ≥10 | |||
Fe2O3% | ≤4.0 | |||
Linear change rate on reheating 1000℃×8h,% | ≤4.0 | ≤3.0 | ≤2.5 | ≤2.0 |
Bulk density g/cm3 | ≤1.00 | ≤1.20 | ≤1.30 | ≤1.40 |
Cold Crushing Strength Mpa | ≥6 | ≥8 | ≥10 | ≥12 |
Thermal conductivity | ||||
200℃ | ≤0.13 | ≤0.15 | ≤0.16 | ≤0.19 |
400℃ | ≤0.15 | ≤0.16 | ≤0.18 | ≤0.20 |
600℃ | ≤0.16 | ≤0.18 | ≤0.10 | ≤0.22 |
800℃ | ≤0.18 | ≤0.20 | ≤0.22 | ≤0.23 |
1000℃ | ≤0.18 | ≤0.21 | ≤0.23 | ≤0.25 |
Max. operation temperature ℃ | 1000 | 1000 | 1000 | 1000 |