British Standards Institution

Source:: ISO
Committee:: PRI/21 - Testing of plastics
Categories:: Plastics. General
Comment period start date:: 03/07/2025
Comment period end date:: 26/08/2025
Number of comments:: 0

Comment by:

26th Aug

Scope

This document specifies general methods, with suitable test conditions, for the determination of the ash of a range of plastics. The particular conditions chosen can be included in the specifications for the plastic material in question.

Particular conditions applicable to poly(alkylene terephthalate) materials, unplasticized cellulose acetate, polyamides and poly(vinyl chloride) plastics, including some specific filled, glass-fibre-reinforced and flame-retarded materials, are specified in ISO 3451-2, ISO 3451-3, ISO 3451-4 and ISO 3451-5.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

29/04/2025

3. Public Comments

Public Comments start date:

03/07/2025

Public Comments end date:

26/08/2025

Learn more about the standards development process

Standards Development

BS EN ISO 3451-1 ISO 3451-1 Plastics. Determination of ash. Part 1: General methods

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