Paraffin Wax: Fully Refined, Semi Refined, Crude Crude paraffin with high oil content is mainly used for making matches, fiberboard, awning canvas, etc. Fully refined paraffin and semi-refined paraffin wax are widely used as ingredients and packaging materials for food, oral medicine, and certain commodities (such as wax paper, crayons, candles, carbon paper), coating materials for baking containers, preservation of fruits, insulation of electrical components, improvement of aging resistance and flexibility of rubber. It can also be used for oxidation to produce fatty acids.