Materiały termoizolacyjne

Thermal Expansion of PUR Foams

PUR foam exhibits an insignificant level of anisotropic behavior which is shown by the dilatometer measurement.

The Współczynnik rozszerzalności termicznej (CTE) lub współczynnik liniowej rozszerzalności termicznej (CLTE)The coefficient of linear thermal expansion (CLTE) describes the length change of a material as a function of the temperature.CTE values are nearly the same in the y- and z-directions between -160°C and 100°C. An additional measurement was performed in each direction; the results also demonstrate the excellent reproducibility of the dilatometer DIL 402 C.

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Thermal expansion and CTE values of PUR foam