Hi-- Finally found a number for the _heat of fusion_ of beeswax. From Handbook of Chemistry and Physics, 35th Ed, 1953, Chemical Rubber Publishing Co., page 2133: Heat of Fusion of Beeswax at 61.8 degrees C is 42.3 calories per gram. Unfortunately there's no listing for beeswax in the Specific Heat tables in that edition, the 53rd or 73rd editions. Malcolm Roe's approximation of about 2 Joules per gram per degree C should be good for a first estimate. John E. Taylor III W3ZID | "The opinions expressed are those of the E-Mail: [log in to unmask] | writer and not of Rohm and Haas Company."