This document specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of special modified high-density polyethylene materials for plastic corrugated pipes. This document applies to granules made of high-density polyethylene (HDPE) resin as the main raw material, extruded and granulated by physical methods such as blending with fillers and additives in a certain proportion, and used to manufacture corrugated pipes for underground use. Special materials.
T/JSBC 7-2023 history
2023T/JSBC 7-2023 Special modified high-density polyethylene materials for plastic piping systems