Description | rock wool blanket 45 | rock wool blanket 65 | |||
Maximum Use Temperature (℃ ) | 550 | 750 | |||
Recommended Use Temperature (℃ ) | 450 | 650 | |||
Surface burning characteristics | Flue gas development index | ≤25 | |||
Flame spread index | 0 | ||||
Combustion performance | Non-combustible A1 | ||||
Volumetric hygroscopic rate (%) | ≤1 | ||||
Mass hygroscopic rate (%) | ≤1 | ||||
Density (kg/m³) | 80 | 100 | |||
Thermal Conductivity (W/m·K) | 70℃ | 0.040 | 0.038 | ||
100℃ | 0.046 | 0.042 | |||
150℃ | 0.050 | 0.048 | |||
200℃ | 0.064 | 0.056 | |||
250℃ | 0.076 | 0.063 | |||
300℃ | 0.080 | 0.070 | |||
350℃ | 0.077 | ||||
400℃ | 0.085 | ||||
Health and safety | No asbestos , No irritating odor , No bacteria |
Performance | Indicators |
Shot content ( Particle diameter ≥0.25mm) | ≤ 12.0 % |
The average diameter of fiber | ≤7.0 μm |
Density Tolerance | ± 15% |
Thermal Conductivity ( average temperature 70℃±52℃),W/(m/K) | ≤ 0.044 |
Thermal load contraction temperature (more than 60kg/m3) | ≥ 600 ℃ |
Moisture | ≤0.5% |
Combustion performance | Not burning (Class A) |
Organic content | ≤ 4.0% |