ISO 4439:1979Withdrawn

Unplasticized polyvinyl chloride (PVC) pipes and fittings — Determination and specification of density

Tubes et raccords en polychlorure de vinyle (PVC) non plastifié — Détermination et spécification de la masse volumique

Abstract / 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.