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BSI BS M 56:1985

Methods for determination of density and relative density of polytetrafluoroethylene (PTFE) tubing for aerospace applications
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BSI BS M 56:1985

Methods for determination of density and relative density of polytetrafluoroethylene (PTFE) tubing for aerospace applications

PUBLISH DATE 1985
BSI BS M 56:1985

This International Standard specifies three methods for the determination of the density and relative density of polytetrafluoroethylene (PTFE) tubing used in the manufacture of medium and high pressure, high temperature, PTFE hose assemblies for aerospace applications:

  • Method A – Density gradient column method without a preconditioning heating and cooling cycle.
  • Method B – Displacement of water and determination of change of weight method.
  • Method C – Density gradient column method with a preconditioning heating and cooling cycle.
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.
SDO BSI: British Standards Institution
Document Number M 56
Publication Date Feb. 28, 1985
Language en - English
Page Count
Revision Level
Supercedes
Committee ACE/69
Publish Date Document Id Type View
Feb. 28, 1985 BS M 56:1985 Revision