Bell 1 Glycol Antifreeze (-6C) is a premium quality, single-phase, ethylene glycol based product. This product provides excellent heat rejecting aluminum protection for all automotive and light duty diesel applications. It also provides outstanding protection for heavy-duty diesel applications when combined with supplemental coolant additives. Bell 1 Glycol Antifreeze (-6C) protects all commons cooling system metals including solder, copper, brass, steel, cast iron and aluminum. This formulation is compatible with all other major brands of coolant and will not affect automotive hoses and gaskets. Bell 1 Glycol Antifreeze (-6C) is recommended for automotive and trucks cooling systems. It contains an effective defoamer to prevent foaming in the cooling system for the life of coolant. Bell 1 Glycol Antifreeze (-6C) is recommended for use in all automobiles requiring ethylene glycol based coolant.