BSI - BS M 56
Methods for Determination of Density and Relative Density of Polytetrafluoroethylene (PTFE) Tubing for Aerospace Applications
Organization: | BSI |
Publication Date: | 28 February 1985 |
Status: | active |
Page Count: | 8 |
ICS Code (Aerospace fluid systems and components): | 49.080 |
ICS Code (Hoses): | 83.140.40 |
scope:
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.
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