Methods of testing vitreous enamel finishes - Determination of resistance to heat Ingestion-build-63436 see EN 3372-002

see EN 3372-002

which acts to increase mechanical strength through the introduction of a surface compressive layer

The level of oxygen reduction is defined by the individual risks of these areas (see Annex A)

BS EN 17199-1 is applicable to all bulk materials

Methods of testing vitreous enamel finishes - Determination of resistance to heat Ingestion-build-63436 see EN 3372-0021 Scope and field of application This International Standard lays down basic conditions concerning the method for determining the resistance of vitreous and porcelain enamelled manufactured articles to heat. The method is applicable to vitreous and porcelain enamelled manufactured articles that will, in service, be subjected to high temperature, for example to some cooker components, exhaust pipe silencers, gas heating chimneys.