Product Description

Base oil;

BS "Bright Stock" / KS-19p oil is a high-viscosity cylinder oil, that refers to high-viscosity base oils obtained by distillation under atmospheric pressure and vacuum distillation, extraction and dewaxing of solvents from residual oils – as well as at the end of hydrotreating. The name "Bright Stock" comes from a method of producing a high viscosity cylinder oil of a bright color (Bright) by mixing naphtha with a dark colored cylinder oil, the mixture is left until winter, the wax ingredients are extracted from it, and then the naphtha liquid is distilled. BS "Bright Stock" oil is contained in gear oils, marine diesel engine oils, cylinder oils and other oils with a high viscosity index.