Indian core oil, since 1967, manufactures various types of foundry chemicals. Core oil is a part of those foundry chemicals. These core oil represents basic line of core oils ranging from slow baking to faster baking for baking sand cores for steel, nodular or malleable irons and non-ferrous castings. These core oils are specially compounded to give low gas evolution. These core oils have excellent permeability, collapsibility, and scratch hardness. They will be non- hygroscopic and non-friable having longer storage life.