This Street Asphalt and Slurry Coat Supervisor states that he loves Ruff Raggs because they are effective for removing asphalt and tar but also pleasantly  fragranced and convenient to use. 

RUFF RAGS HAND CLEANING TOWELS
RUFF RAGS ARE   POWERFUL HANDCLEANING TOWELS THAT ARE RUFF ON DIRT AND GRIME BUT GENTLE TO YOUR HANDS. THESE ARE ABRASIVE  THICK REINFORCED MESHED  TOWELS. THE STRONGEST IN THE INDUSTRY!
RUFF RAGS WILL REMOVE ADHESIVE,TAR,ASPHALT,PAINTS PRIMERS,GREASE AND MANY OTHER CONTAMINANTS FROM YOUR HANDS AS WELL AS EQUIPMENT AND SURFACES.
CONTAINS CITRUS SMELLING DE-LIMONENE FOR ITS CLEANING QUALITIES AND EMOLLIENTS TO KEEP HANDS FROM CHAPPING AND CRACKING.
PACKAGED IN A CASE OF  6 CANISTERS