Servo Rubber 20 is a light weight, naphthenic type of rubber process oil.It is used by automotive tyre and tube manufacturing industries.It is generally used in rubber goods producing industries. It is used to process natural rubber as well as butyl rubber.It is used in the production of white wall automotive tyre and light colour rubber components because of its non-staining nature.It is used as one of the essential components in the processing of rubber for the production of automotive tyres, tubes and other moulded rubber goods.