Paraffin wax, also known as crystalline wax, is usually a white, odorless waxy solid that melts at 47 ° C-64 ° C and has a density of approximately 0.9g/cm3.

Paraffin wax is a kind of hydrocarbon mixture extracted from certain distillates of petroleum, Shale oil or other asphalt mineral oils. Its main components are solid alkanes, odorless and tasteless, and white or yellowish translucent solids. Paraffin wax is amorphous but has a distinct crystal structure. There is also artificial paraffin.

Paraffin wax can be divided into three types based on the degree of processing and refining: fully refined paraffin wax, semi refined paraffin wax, and crude paraffin wax.

Each type of wax is divided into different varieties, such as 52, 54, 56, 58, etc., according to its melting point, usually every 2 ℃.


Paraffin wax is divided into food grade (food grade and packaging grade, with the former being superior) and industrial grade. Food grade is non-toxic and industrial grade is not edible.

Coarse paraffin, due to its high oil content, is mainly used in the manufacturing of matches, fiberboard, canvas, and other materials.

After immersing the paper in paraffin, various types of wax paper with good waterproof properties can be produced, which can be used in packaging of food, medicine, metal rust prevention, and printing industries; Adding paraffin to cotton yarn can make textiles soft, smooth, and elastic; Paraffin wax can also be used to produce detergents, emulsifiers, dispersants, plasticizers, lubricants, etc.

Fully refined paraffin wax and semi refined paraffin wax are widely used, mainly as components and packaging materials of food, oral medicine and some commodities (such as wax paper, crayons, candles, carbon paper), as well as coating and dressing of baking containers, for fruit preservation, insulation of electrical components, improvement of anti-aging resistance and flexibility of rubber, etc.

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