Sharlu Coolant is a ready to use glycol based fluid designed for the protection of water based cooling systems in petrol and light diesel vehicle engines. It is a specially formulated mixture of mono-ethylene glycol, water and selected chemical agents to provide outstanding all round protection. It ensures optimum engine cooling and effective protection against rust and corrosion of engine aluminum and cast iron water jackets. The product is compatible with metals used in engine cooling systems including aluminum alloys. It is harmless to rubber hoses and gasket.