TSI Supercool is a Quality and Solution driven ISO 9001 Certified Manufacturer of Specialty Lubricants for industrial and automotive markets worldwide. Our biodegradable lubricants puts us on the forefront of responsible manufacturing. Product Features:Synthetic ester lubricant provides excellent lubricity and compressor protection Includes addititves to prevent acid formulation and corrosion Includes O-ring conditioner, anti-wear & anti-oxidant additives Compatible with PAG and mineral oils Compatible with R134a and R12 refrigerant Contains U/V Dye