Paraffin Wax
Introduction
Paraffin wax, also known as crystalline wax, is usually a white, tasteless waxy solid that melts at 47°C-64°C with a density of about 0.9g/cm3. It is soluble in nonpolar solvents such as gasoline, carbon disulfide, xylene, diethyl ether, benzene, chloroform, carbon tetrachloride, naphthalene and so on. It is insoluble in polar solvents such as water and methanol.Pure paraffin is a good insulator, with a resistivity of 1013-1017 ohm m, higher than that of most materials except some plastics (especially Teflon).Paraffin is also a good heat storage material, with a specific heat capacity of 2.14 — 2.9J·g — 1·K — 1 and a melting heat of 200 — 220J·g — 1.Product parameter
| ITEM | UNIT | INDEX |
| appearance | White granule | |
| Melting point | ℃ | 56-58 |
| Oil content | % | ≤0.5 |
| Light stability | ≤5 | |
| Needle penetration(25℃，1/10mm) | ≤17 | |
| volatile | % | ≤0.2 |
| Acid and alkali with water solubility | ≤0.01 |
Application
Because of its high oil content, crude paraffin is mainly used for making matches, fiberboard, awning, etc.After adding polyolefin additives in paraffin, its melting point increases, adhesion and flexibility increases, widely used in moisture-proof and waterproof wrapping paper, cardboard, some textiles surface coating and candle production.All kinds of wax paper with good waterproof properties can be made by dipping the paper into paraffin, which can be used in food, medicine and other packaging, metal rust prevention and printing industry.After adding paraffin wax to cotton yarn, it can make textiles soft, smooth and elastic.Paraffin also can be produced detergent, emulsifier, dispersant, plasticizer, grease, etc.
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