ISO 18553:2025 PDF
Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds
Open preview (PDF)Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compoundsMethod for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds
- Document status:
- Active
- Format:
- Electronic (PDF)
- Number of pages:
- 17
- Publication date:
- March 18, 2025
- Edition:
- ISO IS 18553 edition 2 version 1
- ICS:
- 23.040.20
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.
Technical details
- Technical committee
- ISO/TC 138/SC 5 - General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications
- SKU
- ISO 18553:2025
