International Standard
ISO 18553:2025
Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds
Reference number
ISO 18553:2025
Edition 2
2025-03
© ISO 2025
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Published (Edition 2, 2025)

ISO 18553:2025

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Format
CHF 98
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Abstract

This document describes a method with two procedures for the assessment of carbon black or pigment particle and agglomerate size, and the rating of dispersion in polyolefin pipes, fittings and compounds.

The method is applicable to polyolefin pipes and fittings, as well as raw material in pellet form, with the choice of procedure to be determined by the referring specification.

The method is applicable to carbon black or pigmented polyolefin pipes, fittings and compounds with a carbon black content of less than 3 % by weight, and pigment content of less than 5 % by weight.

General information

  • Status
     : Published
    Publication date
     : 2025-03
    Stage
    : International Standard published [60.60]
  • Edition
     : 2
    Number of pages
     : 17
  • Technical Committee :
    ISO/TC 138/SC 5
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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