What is the meaning of the designations PE80 and PE100? The designations PE80 and PE100 are based on the long-term strength of the respective materials, known as the Minimum Required Strength (MRS) in accordance with ISO 12162.The designations are:
||Minimum Required Strength (MRS)MPa
The MRS is determined by performing regression analysis in accordance with ISO 9080 on the test data from the results of long-term pressure testing. The regression analysis allows for the prediction of the minimum strength for a specific service lifetime. The data is extrapolated to predict the minimum strength at 20°C and at the specified 50 year design lifetime. Full details of the analysis can be found in ISO 9080 .
Complément d'info dispo sur le site de PE100+