Product Description This is an Ethviene Glycol based engine coolant concentrate specially formulated with special chemical agents to provide a high degree of protection - against corrosion for the metal and alloy components in the cooling system with specific reference to aluminum, It is harmless to rubber and does not foam or clog radiators Download Product 40 Data Sheet Product Code API MEETSExceeds Grade MSDS GYEC-7105/AF40 AntiFreeze 40% Download