Paraffin wax, colorless to white translucent lumps, pure paraffin wax is white, and wax paraffin with impurities is yellow, tasteless and odorless, with a slippery feel. It is soluble in ether, chloroform, benzene, petroleum ether, volatile oil or a variety of fatty oils, and slightly soluble in ethanol. It is chemically stable and does not react with acids, alkalis, oxidants and reducing agents. The color will turn yellow under ultraviolet radiation, and it can be burned and decomposed. It is stable at room temperature.

Paraffin waxes are classified according to a variety of methods. The main classification methods are melting point classification, oil content classification, use classification and color classification, etc.:

The melting point classification method is based on the melting point of paraffin wax: petroleum wax with melting point lower than 45℃ is called soft wax, and between 45～60℃ and 25℃ penetration is lower than 20 (0.1mm) petroleum wax is called hard wax. China’s fully refined paraffin wax and semi-refined wax Paraffin wax and crude paraffin wax belong to the category of hard wax. The main brands are 54/56,56/58,58/60,60/62,62/62  etc.;

According to the degree of wax paraffin refining: paraffin is divided into crude paraffin, semi-refined paraffin, fully refined paraffin and food wax. The darker the refining degree, the lighter the color, the better the product quality, the higher the production cost;

According to the appearance of wax paraffin: paraffin distinguishes liquid wax and solid wax.

According to the level of oil content of paraffin: fully refined paraffin is divided into superior grade and grade. Generally speaking, paraffin with oil content greater than 6% is called oily wax;

According to the difference of wax paraffin crystal structure: Paraffin wax is distinguished between crude crystal wax and microcrystalline wax. Crude crystal wax is produced from light waxy distillate oil to obtain oily wax. Microcrystalline wax is derived from residual oil and its crystal structure is fine;

According to wax Paraffin Modification Method “Paraffin wax is divided into physical modified petroleum and chemically modified paraffin. Chemically modified paraffin is divided into oxidized wax, chlorinated wax and maleic anhydride wax according to the modification method.

As the world’s largest paraffin production base, in recent years, Fushun Petrochemical’s paraffin output has been maintained at more than 600,000 tons per year, while maintaining the industry’s advanced level of high quality, large output and low cost, and the export volume maintained at 300,000 to 400,000 tons. /Year, the product quality is far superior to the national standard, and has won many national, provincial and ministerial honors. The paraffin wax of Fushun Petrochemical illuminates the church of Notre Dame de Paris and also illuminates the Expo. In 2020, Fushun Petrochemical will produce 630,000 tons of paraffin wax, which accounts for 1/3 of the country’s output and 1/7 of the world. It is the world’s largest paraffin wax production and export base, of which about 2/3 are directly or indirectly sold to developed countries in Europe and America.

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