Back To Crude Oil Specifications of Bitumen For Grades 40/50 - 60/70 - 85/100 Specifications Grade 40/50 Grade 60/70 Grade Grade 85/100 Test Method For All Three Types Specific Gravity At 25°C 1.01/1.06 1.01/1.06 1.01/1.05 D.70 Penetration At 25° C 40/50 60/70 85/100 D.5 Softening point( ° C ) 52/60 49/56 45/52 D.36 Ductility At 25° C (CM ) 100 Min 100 Min 100 Min D.113 Loss On Heating ( PCT WT ) 0.2 Max 0.2 Max 0.5 Max D.6 Drop In Penetration After Heating ( PCT ) 20% Max 20% Max 20% Max D.6 & D.5 Flash Point ( ° C ) 250 Min 250 Min 225 Min D.92 Solubility In CS2 ( PCT.WT ) 99.5 Min 99.5 Min 99.5 Min D.4 Spot Test Negative Negative Negative *A.A.S.H.O *American Association of State Highway Officials. HOME   |  PRODUCTS   |  LOCATIONS   |  CONTACT   |  COMPANY © 2002, ASHCO, Inc. All Rights Reserved All Trademarks Are Owned By The Respective Company