NBG_Logo_landscape_RGB.png

Temperature resistance at elevated temperatures

Technical specifications are generally based on measurements at 20 °C. At higher temperatures, the increasing softening of the material leads to a reduction in these values.

Residual strength at a temperature of

Soft PVC

Pre-PUR®

Pre-PUR® HT

20° C

100%

100%

100%

30° C

70%

90%

95%

40° C

50%

80%

90%

50° C

30%

70%

85%

60° C

-

50%

75%

70° C

-

30%

60%

100° C

-

20%

40%

125° C

-

10%

20%

150° C

-

-

10%

These factors must be taken into account for applications involving positive pressure.
Example: Permissible operating limit for polyurethane at 40 °C:

pallow(40° C) = pallow(20° C) × 80 %

Subject to technical modifications.