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Resistance to slow crack propagation on notched pipes (notch test).

Test methods

A sample (pipe) with four longitudinally machined external notches is subjected to an internal hydrostatic pressure test at 80ºC for a set period of time or until the sample fails.

Products that applies

Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) EN 12201-1, -2, -3, -5 / ISO 4427.

Plastics piping systems for civil works for gaseous fuels. Polyethylene (PE).(EN 1555-1, -2, -5 / ISO 4437)