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Full Description

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.

 

Document History

  1. ISO 4612:2018

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

    • Most Recent
  2. ISO 4612:1999


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

    • Historical Version