... different fefining levels, paraffin wax can be divided into full- refined paraffin wax, semi-refined paraffin wax and crude paraffin. The ... used as component of food and other commodities (such as wax paper, crayons, candlesm carbo paper) and packing materials, ... synthesis of fatty acid. When adding polyolefin additives, paraffin wax 's melting point, adhesion and flexibility all increse, then ...