Methods for determination of density and relative density of polytetrafluoroethylene (PTFE) tubing for aerospace applications.
NORM herausgegeben am 28.2.1985
Bezeichnung normen: BS M 56:1985
Ausgabedatum normen: 28.2.1985
Zahl der Seiten: 8
Gewicht ca.: 24 g (0.05 Pfund)
Land: Britische technische Norm
Kategorie: Technische Normen BS
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. Status: Under Review