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oxygen concentration limit during the combustion of polymeric materials

Standard

ECSS-Q-ST-70-21C - Flammability testing for the screening of space materials (5 February 2010)

Definition

minimum volumetric amount of oxygen contained in the nitrogen-oxygen mixture, in the presence of which the material can still combust after ignition from the bottom

Notes

  • NOTE 1 It is expressed as a percentage and determined using the equation:
  • NOTE 2 i.e. the arithmetic average of the concentration limit calculated as a function of the results of unit measurements of (Clim,i).

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