White paraffin wax is a hydrocarbon mixture extracted from some distillates of petroleum, shale oil, or other bituminous mineral oil. Paraffin is amorphous, but has a clear crystal structure. Another artificial paraffin.
White paraffin wax is a type of petroleum processed product, a type of mineral wax, and a type of petroleum wax. This is a flaky or acicular form obtained from a lubricating oil fraction obtained by solvent refining, solvent dewazing or wax freeze crystallization, pressing and dewaxing of crude oil to obtain a wax paste and then solvent deoiling and refining.
It is a crystal. Used to make higher fatty acids, higher alcohols, matches, candles, water repellents, ointments, electrical insulation materials, etc.
The oil content of paraffin refers to the amount of low melting point hydrocarbons contained in paraffin. Too much oil will affect the color and storage stability of the paraffin wax and will also reduce its hardness.
Therefore, the oil-containing wax paste extracted from the vacuum distillate needs to be deoiled by a sweating method or a solvent method in order to reduce its oil content. However, most white paraffin products should contain a small amount of oil. This helps to improve the gloss and emission properties of the product.
It can be classified into three types, fully refined paraffin, semi-refined paraffin, and crude paraffin, depending on the degree of processing and purification. Each type of wax, depending on its melting point, is usually divided into brands such as 52, 54, 56, 58 every 2 ° C. Crude paraffin is high in oil and is mainly used in the manufacture of matches, fiberboards, tarpaulins, etc.
Due to its high oil content, crude paraffin is mainly used in the manufacture of matches, fiberboards, tarpaulins, etc. The addition of polyolefin additives to paraffin raises the melting point, improves adhesion and flexibility, and is widely used in moisture and waterproof wrapping paper, corrugated board, surface coating of certain fibers, and candle making.
After soaking the paper in paraffin, you can make a variety of highly waterproof paraffin paper that can be used in the food, pharmaceutical and other packaging, metal rustproofing and printing industries.
Adding paraffin to the cotton thread can soften the fibers. Smooth and elastic. Paraffin can also be made into detergents, emulsifiers, dispersants, plasticizers, greases, etc.
Fully purified paraffin wax and semi-refined paraffin wax are widely used, mainly for foods, oral medicines, parts and packaging materials of specific products (paraffin paper, crayon, candles, carbon paper, etc.), baking container coating.
It is used as a ting material. , And for the preservation of fruits. Improves insulation of electrical parts, aging resistance of rubber and increases flexibility. It can also be used for oxidation to produce synthetic fatty acids.
As a latent heat energy storage material, paraffin has the advantages of large latent heat in the phase transition, small volume change during the solid-liquid phase transition, good thermal stability, no supercooling phenomenon, and low cost.
In addition, in the development of aerospace, microelectronics, and optoelectronic technologies, the large amount of heat dissipation produced by high power components can often be dissipated in very short time in a limited heat dissipation area. Instead, a phase change material is required.
If the melting point is low, it will be relatively high. Melting point phase change materials can reach the melting point quickly, maximize the latent heat for temperature control, and have a relatively short thermal response time.
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