Are There Different Hexane Grades of Purity? Yes, there are. Junyuan Petroleum Group can make many different grades of our hexanes to satisfy the client’s requirements for purity. For example, several products, such as extra pure n-Hexane have a super-pure grades for the pharmaceuticals, reagent and biotech industries. This means the accuracy of the blending, … Continue reading Are There Different Hexane Grades of Purity?