KS ISO 13229:2010

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

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.