IP 76: Determination of congealing point of waxes and petrolatum

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  • Method adopted/last revised: 1970
  • Method reapproved: 2004
  • REF/ISBN: IP076-2935231
  • Status: Current
  • First printed in STM books: January 1970


This method covers the test for determining the congealing point of petroleum waxes, including petrolatum.

NOTE 1: This method is an alternative to ASTM D127-IP 133, Test for Drop Melting Point of Petroleum Wax including Petrolatum. Results obtained are usually lower than the results obtained by D127-IP 133, the amount of the deviation varying with the nature of the petrolatum wax.

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