... paraffin wax, semi refined paraffin wax, and three kinds of rough. One of the two previous uses a wider, mainly for food and ... several theories, one is paraffin are the main component of C, H of two elements in the material mixture. (May contain elements ... paraffin wax, and three kinds of rough. Also according to each type of wax melting point, generally at intervals of 2 , divided into different ...