{"id":356739,"date":"2025-12-29T14:08:54","date_gmt":"2025-12-29T13:08:54","guid":{"rendered":"https:\/\/www.youwish.nl\/geen-onderdeel-van-een-categorie\/candle-burn-test\/"},"modified":"2026-09-17T13:52:30","modified_gmt":"2026-09-17T11:52:30","slug":"candle-burn-test","status":"publish","type":"post","link":"https:\/\/www.youwish.nl\/en\/candle-making\/candle-burn-test\/","title":{"rendered":"How to Safely Conduct a Candle Burn Test"},"content":{"rendered":"\n

There is nothing quite like pouring a fresh batch of candles, but before you can truly enjoy or share them, you need to know they burn safely. A homemade candle brings warmth and ambiance into a living space, but it remains an open flame. Without proper testing, you run the risk of cracked glassware, heavy sooting, or runaway flames. A controlled burn test shows you exactly how your wax, wick, and fragrance perform together, giving you the confidence to gift or sell every piece you make.<\/p>\n\n\n\n

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Why You Must Test Every Candle<\/h2>\n\n\n\n

As a maker, product safety rests entirely on your shoulders. Whether you pour candles as gifts for loved ones or sell them through an online storefront, the General Product Safety Regulation (GPSR) applies to anyone putting goods on the market. Under these rules, you must be able to demonstrate that your products are safe under foreseeable conditions of use.<\/p>\n\n\n\n

Every successful candle relies on a delicate balance among three key components: your choice of candle wax<\/a>, the wick, and additives such as dyes or fragrance oils. A wick that burns flawlessly in plain wax can produce heavy soot once you introduce fragrance. Factors such as the flash point of fragrance oil<\/a> also influence how your ingredients interact during combustion. Rigorous testing is the only dependable way to verify that your recipe is safe, stable, and performing as intended.<\/p>\n\n\n\n

Safety Standards and Regulatory Requirements<\/h2>\n\n\n\n

In the European market, specific harmonized standards govern candle manufacturing. Standard EN 15493 outlines core fire safety criteria, including physical stability (the candle must remain upright on a 10-degree incline) and safeguards against secondary ignition. Standard EN 15494 specifies product labeling requirements and details the safety pictograms that must appear on your packaging.<\/p>\n\n\n\n

Chemical limits are just as strictly enforced. Lead in wicks must not exceed 100 ppm, and volatile organic compounds such as toluene are closely regulated. While reputable suppliers provide raw materials that comply with these baseline thresholds, the finished blend is still your responsibility.<\/p>\n\n\n\n

Precision during the pour matters just as much as your ingredient choices. Make sure you know how to prevent an off-center candle wick<\/a>, as a displaced wick creates hot spots on the glass and poses a serious safety hazard.<\/p>\n\n\n\n

Step-by-Step Guide to Conducting a Burn Test<\/h2>\n\n\n\n

A reliable burn test mimics how an end user will burn the candle, conducted under controlled, observable conditions. Keep a dedicated logbook nearby to record your wick series, wax type, fragrance load percentage, and vessel dimensions.<\/p>\n\n\n\n