Novel Surface Treatments [NOVEL] offers Sulphur Free Degreaser. Novel Surface Treatments is an ISO: 9001 company that manufactures various kinds of surface treatment related quality products for various applications to suit different industries and application areas. The Sulphur Free Degreaser or NST-100 is used for removing oil, grease, mid rust, soil, etc. This Degreaser can be used in hygienic industries like Pharmaceuticals, etc.