AR (acid resistant) glass
Glass fibre or synthetic veil having a specific chemical resistance against acids, alkalis or other aggressive chemicals.
- Note: 1 to entry: Such glass can be used as a reinforcement for the resin-rich internal liner of GRP pipe or as a reinforcement in the structural portion of GRP pipe.
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