SN-100
SN100 is a very light base oil with its parameters being at the low end for lubricant stock. It is a Group I base oil made by further processing vacuum distillates of specific crude oil fractions. They are mainly used in lubricant and lubricant additives production.
SN-150
SN 150 is defined as a light grade base oil at the lower end of the specifications for Grade I light base oils. They are mainly used in lubricant and lubricant additives production. It is a Group I base oil which has undergone solvent refining and dewaxing processes. To finish the refining it was hydrogen treated to clear out any impurities.
SN-500
SN 500 is defined as a light grade base oil at the upper end of the specifications for Grade I base oils. They are mainly used in lubricant production. It is a Group I base oil which has undergone solvent refining and dewaxing processes. To finish the refining it was hydrogen treated to clear out any impurities.
Bright Stock
Bright Stock or BS is defined as a base oil at the upper end of the specifications for Grade I base oils. They are mainly used in lubricant and lubricant additive production. It is a Group I base oil which has undergone solvent refining and dewaxing processes. To finish the refining it was hydrogen treated to clear out any impurities.