... - 28 sec) = 6, Super grade unleaded petrol (4 star - 98 octane) = 5, Methylamine = 5, Diethyl phtallate = 5,Sulphuric Acid 50% = 6 ... , Dimethyl sulphoxide = 2, Di-isobutyl ketone = 6, Ethylether = 6, Iso octane = 6, Tetrachlro ethylene = 6, Hydrochloric acid 37% = 6, Naphta solvent ...