IP 179: Determination of cone penetration of petrolatum

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  • Method adopted/last revised: 1979
  • Method reapproved: 2004
  • REF/ISBN: IP179-2935231
  • Status: Current
  • First printed in STM books: January 1979


This method of test is intended for use in measuring with a penetrometer the penetration of petrolatum as an empirical measure of consistency.

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