ISO/DIS 18553

Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds ISO/DIS 18553

Scope

This International Standard describes a method with two procedures for the assessment of pigment or carbon black
particle and agglomerate size and degree 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 pigmented polyolefin pipes, fittings and compounds with a carbon black
content of less than 3 %.