SIS SS-ISO 3127-1982 液体输送用非增塑性聚氯乙烯（PVC）管．对外部冲击阻抗的测定和规范

标准号：SIS SS-ISO 3127-1982
中文标准名称：液体输送用非增塑性聚氯乙烯（PVC）管．对外部冲击阻抗的测定和规范
英文标准名称：Unplasticized polyvinyl chloride (PVC) pipes for the transport of fluids - Deter- mination and specification of resistance to external blows
发布日期：1982/4/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：This International Standard specifies the apparatus and the procedure to be applied for the determination of the resistance to external blows of unplasticized PVC pipes for the transport of fluids, where the ratio of outside diameter to wall thickness is equal to or greater than 13,5.The method can be applied to samples taken from continuous production or from isolated batches and the test may be carried out at either 0 °C or 20 °C.The severity of this test method can be adjusted to suit dif-ferent specification requirements by choosing the appropriate m?ss of the falling weight and the fall height. It is not techni-cally correct to vary the severity of this test by choosing other values for TIR (true impact r?te).