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ISO 9113:2019

Plastics — Polypropylene (PP) and propylene-copolymer thermoplastics — Determination of isotactic index ISO 9113:2019

Publication date:   Jun 24, 2019

General information

90.20 Standard under periodical review   Apr 15, 2024

ISO

ISO/TC 61/SC 9 Thermoplastic materials

International Standard

83.080.20   Thermoplastic materials

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Scope

This document 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. Isotactic index is determined by conventional chemical extraction as an absolute method.
This method provides for the identification and coding of types H, B and R propylene plastics according to ISO 19069-1[1].
This method is suitable only for base polymers and is not applicable for mixtures.
This method starts with solid propylene plastics in the form of particles of specified fineness.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9113:1986

NOW

PUBLISHED
ISO 9113:2019
90.20 Standard under periodical review
Apr 15, 2024