These are specially formulated water based coolant to provide overall improvement in engine efficiency by way of superior cooling and corrosion protection of the engine. Its carefully designed organic acids based additive system gives corrosion protection to all six metals namely copper, brass, steel, cast iron , aluminum and solder. It is free from amines, phosphates, borate and silicates. Servo Anticorr BFRR is specifically developed for ALCO LOCO Engines of Indian Railways. Recommended dosage of dilution 2.5% volume in distilled water