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PS 3428-2026
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Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds
Committee:
Plastic Pipes and Fittings
Sector:
Mechanical and Metals
Available Standards
Original Standard
إنجليزي (English)
25
Page
2026
International Classification for Standards (ICS)
| Code | Classification |
|---|---|
| 23.040.20 | Plastics pipes |
Adopted Standards
| Standards / Amendment / Corrigendum | |
|---|---|
| 1 | ISO 18553:2025 |
Scope
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.