Raj Petroleum Products Ltd is the manufacturer and supplier of Transformer Insulating Oils. Raj Petroleum Products Ltd offers ISO 9001:2000 manufacturing facilities. The Transformer Insulating Oils are mineral electrical insulating oils of superior quality, specially refined and processed from carefully selected premium base stocks. It exhibits good dielectric properties resulting in minimum power loss. High resistivity of these oils gives better insulation values between winding. The high flash point and thermal stability of Transformer Insulating Oil facilitates reduction in evaporation losses. These oils are widely used in transformers, oil immersed circuit breakers and switchgears and are available in uninhibited and inhibited categories.