This document specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of expanded polypropylene (PP-E) beads. This document applies to expanded polypropylene beads of a certain size and shape, which are made of polypropylene and its copolymers as the main raw material, with the addition of a nucleating agent and the use of a physical blowing agent.
GB/T 40921-2021 Referenced Document
GB 8410-2006 Flammability of automotive interior materials
GB/T 13464-2008 Thermal analysis test methods for thermal stability of materials