Perlite Insulation K Values
Reference data and engineering information about perlite insulation k values for insulation applications.
perliteinsulationvalues
Overview
Engineering reference data for Perlite Insulation K Values in insulation.
Key Formulas
Thermal Resistance
Resistance to heat flow.
Heat Loss
Temperature difference / total resistance.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Thermal resistance | K/W | |
| Thickness | m | |
| Thermal conductivity | W/(m·K) |
Physical Properties
8 rows
Property | Value |
|---|---|
| Refractive Index | 1.5 |
| Free Moisture | maximum 0.5% |
| pH (of water slurry) | 6.5 - 8.0 |
| Specific Gravity | 2.2 - 2.4 |
| Bulk Density (loose weight) | 2 - 25 lb/ft³ (32 - 400 kg/m³) |
| Softening Point | 1600 - 2000 °F (871 - 1093 °C) |
| Fusion Point | 2300 - 2450 °F (1260 - 1343 °C) |
| Specific Heat | 0.2 Btu/lb·°F (837 J/kg·K) |
Source: engineeringtoolbox.com