GL approval for resins
Germanischer Lloyd is an international service company that, among other things, tests and certifies epoxy resin systems for use in boat and wind turbine wing construction.
Approvals:
Wind turbine blades + boat building:
R&G Epoxy Resin L with GL1 and GL2 hardeners - data and certificates here as PDF.
Boat building:
UP laminating resin U 569