Unplasticized polyvinyl chloride (PVC) pipes and fittings — Determination and specification of density
NORMA vydána dne 1.7.1979
Označení normy: ISO 4439:1979
Datum vydání normy: 1.7.1979
Počet stran: 1
Přibližná hmotnost: 3 g (0.01 liber)
Země: Mezinárodní technická norma
Kategorie: 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.