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sklademVydáno: 1979-07-01
ISO 4439:1979
ISO 4439:1979 - Unplasticized polyvinyl chloride (PVC) pipes and fittings — Determination and specification of density
Měna
| Označení normy: | ISO 4439:1979 |
| Vydání: | 1 |
| Vydáno: | 1979-07-01 |
Popis
ISO 4439:1979
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.