Wax Melting Points and Warmer Temperatures

Wax liquefies between 46 and 68 °C depending on type; the warmer plate should hold 60-75 °C. The chart, and a three-step test for your own warmer, below.

Paraffin, the most common melt base, liquefies over 46-68 °C depending on grade, with container grades — the ones used for snap bars — at about 52-58 °C. Soy container blends run 49-65 °C and beeswax 62-65 °C.

The rule that follows is simple: a warmer plate has to hold 50 °C or more to keep any container wax liquid, and electric hot plates settle at 60-75 °C precisely to cover that spread without scorching the fragrance.

Bulb warmers reach the same band indirectly, drawing 10-40 W. Tea-light warmers overshoot it, because a full-size 35-45 mL tealight rated 3.5-4.5 hours burning under the dish pushes the wax past 80 °C and bakes the scent off.

Coconut-based and other specialty blends follow the same rule even where their exact figures differ from supplier to supplier: the plate must hold above the blend's stated melt point. If a melt softens but never pools, the warmer is running below the wax.

To find what your own warmer actually holds, run the three-step test below. It uses two waxes with known melt points as rough thermometers and takes one evening.

• 1. Place a container-paraffin cube (melts at 52-58 °C) on the plate: it should liquefy fully and stay liquid — if not, the plate holds under about 55 °C
• 2. Repeat with a beeswax cube (melts at 62-65 °C): if it pools, the plate reaches at least the mid-60s; if it stays pasty, the warmer runs cool
• 3. If a surface thermometer is at hand, confirm directly: the reading should settle between 60 and 75 °C with the dish in place

Further reading

• How Long Does a Wax Melt Last?
• How to Make Scented Wax Melts