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ISO 1628-5
lvents. The method is applicable to poly(ethylene terephthalate) (PET), poly(butylene terephthalate) (PBT), poly-(cyclohexylenedimethylene terephthalate) (PCT), and poly(ethylene naphthalate) (PEN), as well as to copolyesters and other polyesters, defined in ISO 7792-1, that are soluble in one of the specified solvents under the specified conditions.
引用文件
ISO 1628-1 Plastics Determination of the viscosity of polymers in dilute solution using capillary viscometers Part 1: General principles

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