Depending on the thickness of your coaster, a full cure may take from 3 days to a week or longer.ĭo You Have To Dry Leaves Before Putting In Resin? The piece will be bendy at this point, but allow the pieces to fully cure, laying flat. After 24 hours, you can remove from the mold. Look at the piece under a light and remove any stray bits of dust with a toothpick.Ĭover your piece with a dust cover and let it sit for 24 hrs until it’s dry to the touch. Quickly pass a heat gun or torch over top to pop any bubbles. Pour the second coat of resin over top to cover the leaf. Place the leaf into the mold, using a toothpick to submerge it in the resin, including any tips that may want to stick out. Allow the resin to sit in the molds to thicken up for at least 20 minutes to prevent the leaf from sinking down to the bottom of the mold. Pour a shallow base layer of resin into the coaster mold - use a heat gun or a very quick pass with a torch to eliminate any bubbles. You'll have about 45 minutes of working time before the resin gets too thick to work with. Working in a well-ventilated area and wearing gloves, prepare the resin according to the label instructions. Choose a non-yellowing sealant that dries clear. Once the leaves are dry, test to see whether they need to be sealed: if a little drop of water creates a dark spot on the leaf, you may want to seal the leaves to prevent the resin from absorbing. Ensure the leaves are completely dry before embedding them in resin: moisture may cause them to decompose once covered in resin.
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