Sah Petroleums Limited supplies Naphthenic Type Rubber Process Oil. Sah Petroleums Limited has obtained ISO 9001:2008 and EMS 14001:2004 certifications. Sah Petroleums Limited manufactures industrial and automotive lubricants, process oils, transformer oils, greases and other specialties under the brand name of IPOL. Naphthenic Type Rubber Process Oil is a class of hydrocarbons which are also referred to as `cycloparaffins`. Though the structure of Naphthenic Type Rubber Process Oil is similar to the aromatic ring, these are single bonded thus having a stable structure. Several such hydrocarbon rings may be linked indicating a variety of available grades. Their unique color stability, solubility and good thermal stability makes them ideal for molded articles, slippers, LPG tubes, floor tiles, etc.