BS M 56:1985

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

NORMA vydaná dňa 28.2.1985

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Informácie o norme:

Označenie normy: BS M 56:1985
Dátum vydania normy: 28.2.1985
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS

Anotácia textu normy BS M 56:1985 :

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: Confirmed