How to Encase in Resin

Written by rochelle leggett
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How to Encase in Resin
A flower can be embedded in resin. (Jupiterimages/Pixland/Getty Images)

Resin is a stable plastic that can be moulded into many shapes. It is durable, and therefore useful for encasing and protecting other items. For instance, a dried flower could be encased in resin and turned into a paperweight. Nearly any item that can withstand some heat can be encased in resin, as resin becomes hot as it cures. This project is simple enough that an older child could encase items in resin pieces with adult supervision.

Skill level:
Moderately Easy

Things you need

  • Vinyl resin glue
  • Resin mould
  • Mold release
  • Clear casting resin
  • Plastic cup
  • Craft stick
  • Toothpicks

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  1. 1

    Prepare your object for casting. Decide how you want it arranged or what side you want to show. If you are using an item that is made from paper, fabric, a photograph or similar item that has ink or dye, coat it with vinyl resin glue, then wait for it to dry. This will help protect the item from the resin.

  2. 2

    Spray the mould with mould release. This will help preserve the mould. Resin moulds come in many shapes and sizes, but if you can't find a mould that is a good shape or size for your item, smooth, hard plastic items can be used to mould resin, or you can make your own mould. Do not use a very large mould, as resin becomes hot and larger pieces become hotter than smaller pieces.

  3. 3

    Mix some resin in the plastic cup, enough to fill the mould halfway. Instructions will vary by brand. Mix thoroughly with the craft stick, and try to not add bubbles. If desired, add a few drops of transparent dye, but this may obscure your item too much.

  4. 4

    Pour the mixed resin into the mould. Pop any bubbles that you see with a toothpick or breathe on the resin to pop bubbles. Bubbles will cloud the resin.

  5. 5

    Wait for it to set. It should have a thick or rubbery texture before you continue.

  6. 6

    Place your item in the mould, arranging it so that the attractive side faces into the bottom of the mould.

  7. 7

    Mix another batch of resin, enough to fill the mould the rest of the way, and pour it into the mould. If you used dye before, add the same amount of dye. Again, pop any air bubbles. Use a toothpick to rearrange your item if needed. You will not be able to change the item once the resin has set.

  8. 8

    Wait for the resin to cure completely before removing it from the mould. A full day is a typical waiting time, but resin may take longer depending upon the weather and temperature. Resin will not cure at all if the weather is very cold. Resin may feel hard before it has completely cured, so do not move it from the mould for at least 24 hours.

Tips and warnings

  • Only use clear casting resin. Otherwise, your item will not be visible in the resin object.
  • Protect your work surface with newspaper or a dropcloth.
  • Always work in a well-ventilated area when using resin.

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