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ISO 4439:1979

Unplasticized polyvinyl chloride (PVC) pipes and fittings — Determination and specification of density ISO 4439:1979

Publication date:   Jul 1, 1979

95.99   Withdrawal of Standard   May 26, 2026

General information

95.99   Withdrawal of Standard   May 26, 2026

ISO

ISO/TC 138/SC 5 General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications

International Standard

23.040.45   Plastics fittings | 23.040.20   Plastics pipes

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Scope

The density of an unplasticised polyvinylchloride (PVC-U) pipe or -fitting, measured by the method described in ISO 1183, shall be between the limits of 1,35 gram per cubic centrimetre and 1,46 gram per cubic centrimetre. This does not apply to pipes made of compounds containing fillers or cellular products.

Life cycle

NOW

WITHDRAWN
ISO 4439:1979
95.99 Withdrawal of Standard
May 26, 2026




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