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Shop the starter kits Read the beginner guidesIs Jesmonite® Heatproof? Candles & Hot Dishes
By Sofie Demeyer
·
3 min read
Beginner
If you want to make candle holders, tealight dishes or trivets, you need to know: is Jesmonite® heatproof? The good news is that it handles heat well – which is exactly why it’s such a popular choice for candles. Here’s what’s safe, what to avoid, and how to make heat-safe pieces the right way.
What you’ll learn
- Jesmonite® and heat: the basics
- Making candle holders safely
- The mess-free alternative: candle sand
- What about hot dishes and cookware?
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Jesmonite® and heat: the basics
Cast Jesmonite® (base + liquid) is tested to withstand high temperatures and won’t melt, so it’s well suited to candle holders, tealight dishes and warm tableware. That heat resistance is one of its biggest advantages over plastic or resin.
⚠️ The key rule: the heat resistance applies to the base products only – the base and liquid. It does not apply to sealers, which aren’t heat-tested. So for anything involving a flame, use an unsealed cast.
Making candle holders safely
- Use an unsealed Jesmonite® cast – skip the sealer, since it isn’t heat-tested near a flame.
- Never leave a burning candle unattended, and keep it away from anything flammable.
Browse our candle holder moulds to get started, or see the full candle holder guide.
The mess-free alternative: candle sand
Want a real flame without pouring or melting wax? CandleRoxx candle sand turns any heat-resistant vessel – including your own cast Jesmonite® pot – into a candle in seconds:
- Cast a pot in Jesmonite® (or grab any heat-resistant jar).
- Fill it with candle sand and push a wick into the middle.
- Light it – top it up after burning and it looks brand new.
What about hot dishes and cookware?
Jesmonite® trivets and coasters happily take a warm mug, teapot or serving dish. For very hot cookware straight off the hob or out of the oven, use common sense: let extreme heat come down a little first, and use a generous, thick trivet. Sudden, intense temperature shocks are best avoided with any cast material.
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Written by Sofie Demeyer
Materials & troubleshooting specialist
Sofie knows every Jesmonite variant, ratio and fix. If a cast can go wrong, she's un-wronged it. Part of the Gigacrea maker team.
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