REAL RUBBER (N) is a Naphthenic process oil, non-staining and has fairly good colour stability with adequate high temperature properties. Its solvency is good and it improves the processibility of natural rubber in particular and it is suitable as general purpose rubber process oil for butyl rubber also and recommended for use in processing of rubber for the manufacture of automotive tyres, tubes, mats, footwear and many other mounded and extruded rubber goods.