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ISO 13229:2010

Thermoplastics piping systems for non-pressure applications — Unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings — Determination of the viscosity number and K-value

Mar 8, 2010

General information

90.60     Jun 5, 2026

ISO

ISO/TC 138/SC 1

International Standard

23.040.20     91.140.80  

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Scope

ISO 13229:2010 specifies a method for the determination of the viscosity number (also known as reduced viscosity) and K-value of an unplasticized poly(vinyl chloride) (PVC) resin derived from a pipe, fitting or compound.
In ISO 13229:2010, only the method for isolation (or separation) of the PVC resin is detailed.

Life cycle

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PUBLISHED
ISO 13229:2010
90.60 Close of review
Jun 5, 2026