Polyurethane Insulation

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Thermal conductivity - temperature and k-values

Polyurethane is an organic polymer formed by reacting a polyol (an alcohol with more than two reactive hydroxyl groups per molecule) with a diisocyanate or a polymeric isocyanate in the presence of suitable catalysts and additives.

Polyurethanes are flexible foams used in mattresses, chemical-resistant coatings, adhesives and sealants, insulation for buildings and technical applications like heat exchangers, cooling pipes and much more.

The relation between temperature and thermal conductivity is indicated in the diagram below:

perlite insulation temperature k values

T(^oC) = 5/9[T(^oF) - 32]

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