3.8 mm Metal Candle Sustainers

Wicks Unlimited manufactures and supplies five (5) unique 3.8 mm standard neck metal wick sustainers that enable candle manufacturers to create tabbed wicks from waxed wick on reels. Standard neck 3.8 mm candle sustainers are available with 15.0 mm or 20.0 mm base diameter(s) for easy gluing. Often found in tealight and votive candles, 3.8 mm sustainers feature puncture crimping that enables manufacturers to develop candles that consume all the fuel (wax) at the end of life. All of Wicks Unlimited metal candle sustainers, including 3.8 mm sustainers, are manufactured from the highest quality .010″ (0.254 mm) thick tin-coated steel that helps inhibit corrosion caused by fragrance and essential oils and are preferred by candle manufacturers worldwide.
3.8 mm Metal Candle Sustainers
SustainerBase DiameterOverall HeightHole Diameter
A378915.0 mm .590”3.8 mm .150”2.4 mm .094”
A301515.0 mm .590”3.8 mm .150”3.0 mm .118”
A384015.0 mm .590”3.8 mm .150”3.8 mm .150”
A378620.0 mm .788”3.8 mm .150”2.4 mm .094”
A379320.0 mm .788”3.8 mm .150”3.0 mm .118”
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Glossary of Terms


Measured in yards of wick per pound in weight. The higher the yield, the smaller the wick and the flame and the resulting heat generated.


The rate of wax consumption in ounces by the wick in one hour. The higher the burn rate the more wax which is being consumed. Used to determine how well a wick and wax combination is performing.

Chart Statistics

Chart statistics contributed by Atkins & Pearce. These statistics should be viewed as reasonable estimates for comparison purposes only. Actual results should be determined on an application by application basis. The chart provides only general trends and results may vary depending upon blend, color, fragrance, wax and shape/size of the container.