Polyurethane insulation

1. How long should the polyurethane insulation board be stored before use?

 In order to ensure the high quality of the polyurethane thermal insulation board, it is generally possible to leave the factory after

 storage for about 10 days after production. After 10 days, the physical and chemical reactions of the polyurethane thermal insulation board are basically over.

 In this way, the excellent performance of the polyurethane foam thermal insulation material can be fully play.

3. What is the operating temperature of the polyurethane insulation board?

The temperature range of the polyurethane insulation board is between -30°C and +90°C, and the short-term use temperature can reach

+250℃ without any damage.

4. Can the polyurethane insulation board resist thermal deformation?

Any material will undergo dimensional changes under the action of temperature. When the density of non-veneer rigid polyurethane foam is 30~60Kg/m3,

the thermal expansion coefficient is 5~8·10-5·K-1. When the temperature rises, for example, from 10°C to 30°C (temperature difference = 20K).

Rigid polyurethane foam insulation boards over one meter can expand 1~1.6mm, which is normal.

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