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ISO 4612:2018

Plastics — Preparation of PVC pastes for test purposes — Planetary-mixer method

Nov 26, 2018

General information

90.60     Mar 4, 2024

ISO

ISO/TC 61/SC 9

International Standard

83.080.20  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4612:1999

NOW

PUBLISHED
ISO 4612:2018
90.60 Close of review
Mar 4, 2024