20.20 Working draft (WD) study initiated Sep 1, 2026
ISO
ISO/TC 61/SC 11 Products
International Standard
This document specifies a winding test method for hybrid fiber reinforced plastics core sandwiched slender rods. It includes test principles, test conditions, equipment requirements, test procedures, and evaluation criteria.
This method applies to core sandwiched slender rods with a diameter of not less than 2 mm, and is used to test the interfacial bonding strength between different fiber-resin layers within the rods and to verify the radius of the matched spool reel.
IN_DEVELOPMENT
ISO/WD 26583
20.20
Working draft (WD) study initiated
Sep 1, 2026