T/GDC 27-2019 Polypropylene (PP) reinforced spiral corrugated pipe with polyethylene (PE) skeleton
T/GDC 27-2019 Polypropylene (PP) reinforced spiral corrugated pipe with polyethylene (PE) skeleton
Basic Information
Scope
Scope: This standard specifies the materials, product classification and marking, pipe structure and connection methods, technical requirements, test methods, inspection rules and marking, transportation, and storage of PP skeleton reinforced polyethylene (PE) spiral corrugated pipes. This standard applies to structural wall pipes made from polyethylene (PE) resin as the main raw material and polypropylene (PP) as the auxiliary inner rib support structure, which are manufactured by the spiral winding molding process. This standard is applicable to long-term conveying media with a temperature below 45°C for non-pressure underground urban wastewater drainage, industrial wastewater drainage, and agricultural irrigation projects; Main technical content: color, appearance, specifications and dimensions, physical and mechanical properties, and system applicability.