GB/T 5132.5-2009 is the fifth part of the standard for thermosetting Resin industrial rigid circular laminated tubes and rods for electrical use, focusing on circular laminated molded rods. The standard specifies its Appearance and size requirements, specifies key indicators such as Mechanical Property and Electrical Performance, and details test methods and inspection rules. At the same time, it specifies the content of signs, Encasement, transportation and storage, etc., to provide a unified technical basis for the production mass control and application of circular laminated molded rods.