Premium Si-OAT coolant additive, concentrate, up to -50 °C Free from 2-ethylhexanoic acid, borate, phosphate, nitrite and amine. Suitable for summer and winter operation (year-round use) in engines made of cast iron, aluminium, iron alloys or a combination of these, and for cooling systems with aluminum or copper alloys. This radiator protectant is a complete concentrate based on ethylene glycol and contains complementary organic and silicate technologies. It provides protection against frost, overheating and corrosion (long life radiator protection agent) and meets the current requirements of many OEMs. Range antifreeze, cooling system Fuel efficiency (A-G) petrol, diesel, gas Category car, oldtimer, freight vehicles, truck Main color purple Contents 1.5 l Manufacturer's color name pink/violet Type of packaging bottle Type/kind Item Version additives Frost protection up to -50.0 °C