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Almost every candle has wax and fragrance oil.
These equations hold true whether you’re using a normal wax, like soy, a premium blend, like coco créme beeswax, or a custom blend of whatever you want.
Before you do anything you need to figure out one thing: fragrance load.
Fragrance takes up a significant amount of space in the candle, anywhere from 3% to 12% by weight.
How do you decide on a fragrance load?
Every wax has a total allowable fragrance (max fragrance) it can hold. This amount is typically listed by the supplier or the manufacturer, and depends on the wax in question.
Wax can only hold so much extra “stuff”, including fragrance oil and additives, and your design must respect that amount otherwise it could leak out and become a fire hazard.
Think of the wax like a sponge: it can only absorb so much before reaching capacity.
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