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.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 9113:1986 |
| Product Name | Plastics - Polypropylene (PP) and propylene-copolymer thermoplastics - Determination of isotactic index |