ISO 3451-5:2025

Plastics - Determination of ash - Part 5: Poly(vinyl chloride)

This document specifies three methods for the determination of the ash of poly(vinyl chloride).

The general procedures given in ISO 3451-1 are followed. For ash, method A is used. For sulfated ash, methods B and C are used. All three methods are applicable to resins, compounds and finished products. Methods B and C are applicable when lead-containing compounds are present.

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