Paraffin wax
also known as crystalline wax, is a non-polar solvent soluble in gasoline, carbon disulfide, xylene, ether, benzene,chloroform, carbon tetrachloride, naphtha,etc.,but insoluble in polar solvents such as water and methanol . A mixture of hydrocarbons with a carbon number of about 18-30, the main component is straight-chain alkanes (about 80%-95%), and a small amount of alkane with individual branches and monocyclic cycloalkanes with long side chains ( The total content of the two is less than 20%). Paraffin wax is a flake or needle crystal obtained by solvent refining, solvent dewaxing, or freezing and squeezing dewaxingof the lubricating oil fraction obtained from crude oil distillation, and then deoiling and refining. According to the degree of refining, it can be divided into three types: fully refined paraffin, semi-refined paraffin and crude paraffin. Each type of wax is divided into different varieties according to the melting point, generally every 2 ºC, such as 52, 54, 56, 58 and other grades.
