
Unplasticized polyvinyl chloride (PVC) pipes and fittings — Determination and specification of density
NORMA vydaná dňa 1.7.1979
Označenie normy: ISO 4439:1979
Dátum vydania normy: 1.7.1979
Počet strán: 1
Približná hmotnosť: 3 g (0.01 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: 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.