2 product properties & test methods – Roxul Industrial Insulation Process User Manual

Page 113

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2.2 Product properties & test  methods

2.2.2 Thermal conductivity

Thermal conductivity

Apparent density

Fundamental dependency of the thermal conductivity upon the apparent density at a certain temperature

Fundamental dependency of the thermal conductivity upon the temperature for a certain apparent density

Temperature

Thermal conductivity

1. Conduction through the dormant air - 2. Thermal

radiation - 3. Conduction of the pipe - 4. Convection -

5.  Thermal conductivity of the insulation

1. Conduction through the dormant air - 2. Thermal

radiation - 3. Conduction of the pipe - 4. Convection -

5. Thermal conductivity of the insulation

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