ISO 3213:2009
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Polypropylene (PP) pipes — Effect of time and temperature on the expected strength
| Published By | Publication Date | Number of Pages |
| ISO | 2009-09 | 18 |
ISO 3213:2009 specifies the minimum values for expected strength as a function of time and temperature in the form of reference lines, for use in calculations on pipes made of:
– polypropylene homopolymer (PP-H);
– polypropylene block copolymer (PP-B) (also called heterophasic copolymer);
– polypropylene random copolymer (PP-R);
– polypropylene random copolymer (this material can be distinguished by DSC testing or another appropriate method to indicate a second melting peak) with a modified crystallinity (PP-RCT).
