... efficient antifreeze (coolant) fluid of engineNo water inside,no corrosion to the innner side of enginecylinder. no rust, no scale. ... boil, high boilingpoint upto 190°C , no vapour pressure to the engine. traditional coolant contains water, will get boil while 100 ... Remove rust,remove water scale, clean the coolant system of engine, make the engine works as new one.Eco-friendly ,reduce exhaust . ...