ISO 3114:1977

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Unplasticized polyvinyl chloride (PVC) pipes for potable water supply — Extractability of lead and tin — Test method

ISO 3114:1977 is an International Standard that specifies a test method for determining the extractability of certain stabilizers (lead and tin) from unplasticized PVC pipes used for potable water supply, ensuring extracted quantities don't exceed a certain concentration.