Candle gel, paraffin and soy wax: Candlemaking made easy for everyone
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Paraffin waxes

The vast majority of candles produced nowadays are made, totally or partially, of paraffin.

The website of Exxon, one of the largest petrochemical companies, states the following about petroleum-derived waxes:

Any of a range of relatively high-molecular-weight hydrocarbons (approximately C16 to C50), solid at room temperature, derived from the higher-boiling petroleum fractions [...]

There are three basic categories of petroleum-derived wax: paraffin (crystalline), microcrystalline and petrolatum.

Feel free to check out the complete technical characteristics of these categories. For the sake of this article, I'll highlight two important facts:
  • Paraffin waxes have a distinctive crystalline structure, are pale yellow to white (or colorless) and have a melting point range between 122 and 140F (50 and 60C).
  • Microcrystalline waxes have a poorly defined crystalline structure, darker color, higher viscosity, and higher melting points ranging from 140 and 199F (63 and 93C)

What the dictionnary says:

Paraffin: (derived from latin parum affinis, [little affinity])
A white waxy substance, resembling spermaceti, tasteless and odorless, and obtained from coal tar, wood tar, petroleum, etc., by distillation. It is used in candles, as a sealing agent (such as in canning of preserves), as a waterproofing agent, as an illuminant and as a lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but is now known to be a complex mixture of several higher hydrocarbons of the methane or marsh-gas series
If you're looking for more in-depth information about paraffin waxes, please check the following links:

The website of IGI, US producer of a large range of (among other) candlemaking waxes, features a detailed and illustrated description of the different stages of refining needed to obtain ready-to-use paraffin.
or search Google:

When you buy paraffin wax to make candles, most of the time it is sold by weight and conditionned as wax pellets. Such a conditioning is ideal as it makes it easy for you to store, manipulate and proportion.

If you live in the United States, chances are you'll never use basic paraffin because there's a wide range of pre-blends available, specially formulated for a specific type of candle. But if you're a beginner, you can learn a lot by playing around with pure paraffin and additives as most european candlemakers have to, due to the unavailability of pre-blends in these countries.
La paraffine 'de base' convient bien pour les Votives
Straight paraffin usually comes with a melting point (MP) of 140F, which limits its use for "hard" candles like Pillars or Votives.

It comes free of any additive so the odds are great you'll need to add one or several additives, depending upon the type of candle you're planning to make.

But let's start with the beginning: straight paraffin wax is great for the beginner candlemaker and will allow you to familiarise yourself with the different additives, their effect when used in different quantities and also with the ideal pouring temperature in such or such case.

In short: Paraffin wax
  • derived from petroleum, colorless, odourless, unexpensive, widely available (the straight kind, anyway), easy to manipulate, to proportion and to use, can be used with or without additives tp create different kind of candles.

  • Paraffin wax is available in multiple conditionings: block, pellets, ...
    Paraffin wax is available in multiple conditionings: block, pellets, ...

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    Melting point:
    depending upon the type, between 122F and 140F (50C and 60C)

    Flash point:
    around 395F (200C)

    around $1.29 / pound (volume discounts apply)

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