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PS 3421-2026

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Polypropylene (PP) pipes — Effect of time and temperature on the expected strength
Committee: Plastic Pipes and Fittings
Sector: Mechanical and Metals
Available Standards
Original Standard
إنجليزي (English) 19 Page 2026
International Classification for Standards (ICS)
Code Classification
23.040.20 Plastics pipes
Adopted Standards
Standards / Amendment / Corrigendum
1 ISO 3213:2009
Scope
This International Standard 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 copolymer1) (PP-B);
— polypropylene random copolymer (PP-R);
— polypropylene random copolymer2) with a modified crystallinity (PP-RCT).