Intumescent

Definition(s)


Intumescent

Passive fire-protection coating which, in the presence of fire, expands to create an inert insulating “char” layer.

Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards