Factors Influencing Performance
The relative performance of different pipe insulation on any given application can be influenced by many factors. The principal factors are:
- Thermal conductivity ("k" or "λ" value)
- Surface emissivity ("ε" value)
- Water-vapour resistance ("μ" value)
- Insulation thickness
- Density
Other factors, such as the level of moisture content and the opening of joints, can influence the overall performance of pipe insulation. Many of these factors are listed in the international standard EN ISO 23993.
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