BS M 56-1985 航空航天用聚四氟乙烯管密度和相对密度的测定方法

标准号：BS M 56-1985
中文标准名称：航空航天用聚四氟乙烯管密度和相对密度的测定方法
英文标准名称：Methods for determination of density and relative density of polytetrafluoroethylene (PTFE) tubing for aerospace applications
标准类型：V13
发布日期：1985/2/28 12:00:00
实施日期：1985/2/28 12:00:00
中国标准分类号：V13
国际标准分类号：49.080
适用范围：Specifies three methods for the determination of the density and relative density of PTFE tubing used in the manufacture of medium and high pressure hose assemblies for aerospace applications: 1. Density gradient column method without a preconditioning heating and cooling cycle. 2. Water displacement method. 3. Density gradient column method with a preconditioning heating and cooling cycle.