OTHER
ISO 21138-3:2020
Plastics piping systems for non-pressure underground drainage and sewerage — Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) — Part 3: Pipes and fittings with non-smooth external surface, Type B
ISO 21138-3:2020-01 standard, titled "Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 3: Pipes and fittings with non-smooth external surface, Type B," covers specific requirements for structured-wall pipes and fittings with non-smooth external surfaces.
📄 Document
Title: APPLICATION FORM OF ISO 21138-3:2020
📜 Document Instructions:
Please fill the application form and upload required documents online for ISO Certification.
