Rheinol Antifreeze GW-11 Concentrate 1.5L

Rheinol Antifreeze GW-11 Concentrate (1.5L) is a premium ethylene glycol base fluid free of amines, nitrites, phosphates, and silicates—making it exceptionally safe for lightweight aluminum and magnesium engine blocks. Diluted 1:1, it provides freeze protection to -55°C and boil-over resistance to 130°C. Its advanced inhibitor system prevents corrosion, pitting, and electrolytic erosion in water pumps, radiators, and heater cores, even under severe thermal cycling. Approved for extended-life closed-loop cooling systems in premium European and Asian vehicles.