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Plastics piping systems for pressure and non-pressure water supply, irrigation, drainage or sewerage — Glass-…

Overview ISO 25780:2011 specifies requirements for glass‑reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin used in pressure and non‑pressure water supply, irri…

Plastics piping systems for pressure and non-pressure water supply, irrigation, drainage or sewerage. Glass-r…