How to Prevent Yellowing in Craft Resin

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If you’ve noticed your resin creations losing their clarity or taking on a yellow tint over time, you’re not alone. Preventing yellowing is key to preserving the beauty of any craft project made with epoxy resin.

Why Does Resin Yellow?

Epoxy resin naturally tends to yellow or discolour due to exposure to sunlight and UV light, as well as general ageing. Even high-quality clear resins are sensitive to UV rays, which accelerate this change, especially if finished pieces are displayed in bright spaces.

Choosing UV-Resistant Craft Resins

The most effective way to avoid discolouration is to select a resin formula that already includes integrated UV filters. Products such as Art Pro, Icrystal, and Trasparente offer long-term resistance to yellowing thanks to their built-in sun protection. These clear resins have been developed for crafts, coatings, and castings where clarity matters.

Practical Tips for Longevity

Store your finished resin pieces away from direct sunlight to minimise UV exposure.
Clean resin crafts with a soft, damp cloth—avoid harsh chemicals that may affect clarity.
Always mix and cure resin according to the manufacturer’s instructions for best results.

When This Matters Most

UV-resistant resins are especially important for jewellery, tabletops, and decorative pieces displayed in well-lit rooms, conservatories, or outdoor areas. For everyday functional items, such as coasters or trays, choosing a formula like Art Pro ensures lasting clarity and shine.

Related guides

What Type Of Resin Is Used To Make Crafts

By selecting the right UV-protected resin and caring for your creations, you can enjoy crafts that stay clear and bright for years to come. Learn more about choosing the ideal resin on our main guide to craft resins.