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Why PE100+ Association

The Association’s objective is to guarantee consistent quality at the highest level in both the production and the usage of PE 100 pipe material. The association aims also to create a marketing platform to promote the use of Polyethylene piping in general.

Quality of PE pipes is highly dependent on a few critical parameters: creep rupture strength, stress crack resistance and arrest of rapid crack propagation. Network engineers rely on these parameters for increasing the use of PE in gas and water distribution networks.

The PE 100+ Association aims to set for these critical properties higher performance standards than those founded in CEN/ISO.

Durability under pressure is determined by both the creep rupture strength and stress crack resistance.

PE 100 demonstrates significant improvement in the creep rupture strength, which is an important factor in ultimately determining the lifetime of a material. Stress crack resistance of PE 100 is also clearly improved. This ensures a longer, safer operational life for the pipe. Notched pipe testing is an accelerated method of assessing high stress crack resistance.

As in all materials for pressure applications, including steel, engineers want to minimise the risk of rapid crack propagation. As PE 100 is a highly ductile material, this risk is very low.

The internationally-standardised S4 test is used to assess the material’s performance, and it shows PE 100’s performance well beyond its operational pressure.

By measuring all three properties on the same pipe at a higher level and on a regular basis, the pipe materials listed by the PE 100+ Association deliver continuous, outstanding performance