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ISO 4439:1979 PDF
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Unplasticized polyvinyl chloride (PVC) pipes and fittings — Determination and specification of density
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.
| Edition | 1979 |
|---|---|
| Published Date | 1979 |
| Published By | International Standardization Organisation |
| Page Count | 1 |
