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STANDARD 4608
Fourth edition
2023-11
Plastics — Homopolymer and
copolymer resins of vinyl chloride
for general use — Determination
of plasticizer absorption at room
temperature
Plastiques — Résines d'homopolymères et de copolymères de
chlorure de vinyle à usages généraux — Détermination de la prise de
plastifiant à température ambiante
Reference number
ISO 4608:2023(E)
© ISO 2023
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ISO 4608:2023(E)
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© ISO 2023
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Published in Switzerland
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© ISO 2023 – All rights reserved
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ISO 4608:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative reference .1
3 Terms and definition . 1
4 Principle . 1
5 Apparatus and materials .1
6 Procedure .4
6.1 Measurement of plasticizer absorbed by the cotton wool or filter paper . 4
6.2 Determination . 4
7 Expression of results . 5
8 Test report . 5
Bibliography . 6
iii
© ISO 2023 – All rights reserved
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ISO 4608:2023(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
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ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approv
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