SPECIFICATIONTEST METHOD A.S.T.M.SPECIFICATION AS PER NATIONAL IRANIAN OIL COMPANY (NIOC):SPECIFIC GRAVITY AT 25/25 DEG C 1.01/1.05 D.70PENETRATION AT 25 DEG C 80 /100 D.5SOFTENING POINT DEG C 45/52 D.36DUCTILITY AT 25 DEG C CMS 100 MIN D.113LOSS ON HEATING PCT WT 0.5 MAX D.6DROP IN PENETRATION AFTER HEATING PCT 20 MAX D.5FLASH POINT DEG C 225 MIN D.92SOLUBILITY IN CS2 PCT WT 99.5 MIN D.4ORGANIC MATTER INSOLUBLE IN CS2 PCT WT 0.2 MAX D.4SPOT TEST NEGATIVE *A.A.S.H.O. T102-42 *AMERICAN ASSOCIATION OF STATE HIGHWAY OFFICIALS