[vaseline supply and purchasing] do you know what are the uses of medical vaseline?
vaseline is a semi-liquid mixture of alkanes or saturated hydrocarbons , also called petrolatum, is produced by fractionation of petroleum. its state is between solid and liquid at normal temperature. it has three colors: brown, yellow and white due to different uses. vaseline (petroleum jelly) is divided into three categories according to the scope of…

