Rapid Curing (RC)
    The solvent used in rapid curing cutback bitumen can be naphtha or gasoline,
    The Bureau of Indian Standards (BIS) further classifies Rapid curing bitumen into 4 types:
    RC 70, RC 250, RC 800, and RC 3000.
    Note: RC 70 can be used without heating, while RC 3000 and RC 800 cannot be applied at low temperatures.