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sklademVydáno: 2019-06-26
BS ISO 9113:2019
Plastics. Polypropylene (PP) and propylene-copolymer thermoplastics. Determination of isotactic index
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| Označení normy: | BS ISO 9113:2019 |
| Počet stran: | 14 |
| Vydáno: | 2019-06-26 |
| ISBN: | 978 0 580 92860 4 |
| Status: | Standard |
Popis
BS ISO 9113:2019
This standard BS ISO 9113:2019 Plastics. Polypropylene (PP) and propylene-copolymer thermoplastics. Determination of isotactic index is classified in these ICS categories:
- 83.080.20 Thermoplastic materials
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.