Anti-freeze and anti-boil fluid is a mixture of solvent, corrosion inhibitor package and a dye. Antifreeze packages are added to a suitable glycols in order to provide corrosion protection for all metal parts specifically aluminum and light metals used in cooling system. These packages are classified in two types: Organic & Inorganic. Engine coolant fluids contain these packages are produced in accordance to ASTM D4985 and ASTM D3306 and meet a variety of global OEM standards. The typical solvent used for the blending of engine coolant fluids, MEG, will also meet ASTM E 1177.