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sklademVydáno: 2019-01-04
BS EN ISO 4612:2018
Plastics. Preparation of PVC pastes for test purposes. Planetary-mixer method
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Označení normy: | BS EN ISO 4612:2018 |
Počet stran: | 14 |
Vydáno: | 2019-01-04 |
ISBN: | 978 0 580 92868 0 |
Status: | Standard |
DESCRIPTION
BS EN ISO 4612:2018
This standard BS EN ISO 4612:2018 Plastics. Preparation of PVC pastes for test purposes. Planetary-mixer method is classified in these ICS categories:
- 83.080.20 Thermoplastic materials
This document specifies two methods, A and B, for the preparation of pastes (also known as plastisols) from appropriate PVC resins, plasticizers and other ingredients using a planetary mixing process.
Both method A and method B can be used to prepare pastes of any composition. Method A (single-speed) is particularly applicable to resins prone to heat build-up during paste preparation, while method B (two-speed) might be preferred for repetitive work, e.g. for process control during resin manufacture, because of its shorter mixing time.
Such pastes can be used for a variety of test purposes, including the determination of rheological properties for resin designation and specification.