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Paraffin


 
  • Paraffin is a common name for a group of high molecular weight alkane hydrocarbons with the general formula CnH2n+2, where n is greater than about 20, discovered by Carl Reichenbach.
  • In the United Kingdom and South Africa the fuel known elsewhere as kerosene is called paraffin oil (or just paraffin), and the solid forms of paraffin are called paraffin wax.
  • Paraffin is also a technical name for an alkane in general, but in most cases it refers specifically to a linear, or normal alkane, while branched, or isoalkanes are also called isoparaffins. (Latin para+affinis with the meaning here of "lacking affinity", or "lacking reactivity")

    • Uses

    • Candlemaking
    • Coatings for waxed paper or cloth.
    • Preparing specimens for histology.
    • Solid propellant for hybrid rockets
    • Sealing jars, cans, and bottles
    • In dermatology, as an emollient (moisturiser)
    • Surfing, for grip on surfboards.

      • Food-grade paraffin wax is used in some candies to make them look shiny. Although edible, it is nondigestible; it passes right through the body without being broken down. Non-food grade paraffin wax can contain oils and other impurities which may be toxic or harmful.

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      Impure mixtures of mostly paraffin wax are used in wax baths for beauty and therapy purposes.

      Related Topics:
      Wax bath - Beauty - Therapy

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      Paraffin wax is not used much to make original models for casting, as it is relatively brittle at room temperature and usually cannot be cold-carved without excessive chipping and breaking. Soft, pliable waxes such as beeswax are preferred for modelling.

      Related Topics:
      Casting - Beeswax

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      Paraffin is mostly used for candle wax.

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    ◄ Paraffin: Physical and chemical properties
     

~ Table of Content ~

►Introduction
►Physical and chemical properties
►Uses

 

 

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