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Unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings for buried drainage and sewerage systems — Spec…

Plastics piping systems for non-pressure underground drainage and sewerage — Unplasticized poly(vinyl chlorid…

Overview ISO 4435:2003 - "Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC‑U)" - sets requirements for PVC‑U pipes, fittings and pi…