DIN Standards Committee Plastics
ISO 8639
Glass-reinforced thermosetting plastics (GRP) pipes and fittings - Test methods for leaktightness of flexible joints
Glasfaserverstärkte duroplastische Kunststoffe (GFK)-Rohre und Formstücke - Prüfverfahren für die Dichtheit von flexiblen Verbindungen
Responsible national committee
NA 054-05-09 AA - Plastics pipes of thermosetting materials
Responsible international committee
ISO/TC 138/SC 6 - Reinforced plastics pipes and fittings for all applications