A chemical Brighting prepration for  polishing product, RXSOL RC 4100 is a  mixture of concentrated inorganic acid for brightening and chemically polishing , Aluminium,copper and copper based alloys. It  is an acid form ulation containing surfactant,suppressant and inhibitor for chemical poli shing (bright dipping) of most non ferou alloys. This formulation is widely used commercially. RXSOL RC 4100 contains additives to reduce nitrogen oxide fumes and to enhance the brightening ability.