This International Standard specifies minimum values for the expected strength as a function of time and temperature in the form of reference lines and tabulated data, for use in calculations on pipes made of„o Polybutene-1 homopolymer (PB-H)„o Polybutene
DS/ISO 12230:2012 history
2012DS/ISO 12230:2012 Polybutene-1 (PB-1) pipes - Effect of time and temperature on the expected strength