标准编号：ISO 13229:2010
中文名称：常压用热塑性塑料管道系统 未增塑的聚氯乙烯（PVC-U）管道和配件 粘度值和K值的测定
英文名称：Thermoplastics piping systems for non-pressure applications — Unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings — Determination of the viscosity number and K-value
发布日期：2010-03
标准范围
This International Standard specifies a method for the determination of the viscosity number (also known asreduced viscosity) and K-value of an unplasticized poly(vinyl chloride) (PVC) resin derived from a pipe, fittingor compound.In this International Standard, only the method for isolation (or separation) of the PVC resin is detailed, whilethe determination of the viscosity number is given in ISO 1628-2.The presence of other additives or polymers can invalidate this method (see Clause 3).
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