PU expansion seal

_{PU seal after installation in the factory}

Polyurethane swelling materials are permanently elastic, resistant to aging and weathering after curing. In addition the material is resistant to water, seawater, normal wastewater, mineral oils, as well as numerous acids and alkalis. Depending on the field of application the material has a durability beyond 100 years. The material is physiologically harmless and suitable for use in the drinking water sector.

Technical data

Shade	grey
Density	approx. 1.28 g/cm³
Shore A Hardness	approx. 36
Elongation at break	> 500 %
Tensile strength	> 2,5 N/mm²
Increase in volume	approx. 120 %
Hardening	approx. 1 mm/24 hours

Recommended use

PU expansion seal will be installed into interlocks by the factory.

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PU expansion seal

Technical data

Recommended use

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