Definition(s)
Hardener
Substance or mixture added to a plastic composition to promote or control the curing action by taking part in it.
- Note: 1 to entry: For epoxies, hardener is also called curing agent (3.2.13).
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