Creep Resistance


Creep is the term used for the deformation of a material under stress. Creep can significantly affect the performance of a moulding over time.  In water tanks creep mostly manifests as “bulging”.

Alkatuff polyethylene produces tanks with excellent creep resistance due to its C6 co-monomer and superior toughness.

Creep is different from one grade to another, and from one temperature to another.   The Tank Standard includes creep requirements at 23°C.  The Qenos Technical Team has generated creep data at 23°C and 40°C for Alkatuff LL711UV to ensure a product fit for the harsh Australian conditions.

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