IEC 61212-1 Ed. 1.0 b:1995

Gives the definitions related to, the designations and general requirements to be fulfilled by, industrial rigid round laminated tubes and rods for electrical purposes made with any of the following resins as the binder: phenolic, epoxide (epoxy), melamine and silicone. The following reinforcements may be used either singly or in combination: cellulosic paper, cotton cloth, glass cloth, mica paper.