Plastics. Polypropylene (PP) and propylene-copolymer thermoplastics. Determination of isotactic index Ingestion-build-276583 This procedure covers a frequency

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Plastics. Polypropylene (PP) and propylene-copolymer thermoplastics. Determination of isotactic index Ingestion-build-276583 This procedure covers a frequencyWhat is ISO 9113 Isotactic index of polypropylene (PP) and propylene copolymer thermoplastics about ? ISO 9113 discusses plastics. ISO 9113 specifies a method for determining the percentage of matter which can be extracted from crystalline propylene plastics by boiling n heptane under standard conditions of testing. The isotactic index is determined by conventional chemical extraction as an absolute method. This method provides for the identification