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ISO 9113:1986

Plastics -- Polypropylene (PP) and propylene-copolymer thermoplastics -- Determination of isotactic index

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Kehtetu alates 24.06.2019
Tegevusala (ICS grupid)
83.080.20 Termoplastid
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
24.06.2019
Põhitekst
09.10.1986
Põhitekst
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. A powdered test portion is carefully dried, weighed and extracted in as Soxhlet-apparatus with n-heptane during 24 h. The mass of residue of the test portion is determined and according to ISO 1873-1 reported as isotactic.

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