How to Use UV Resin: A Complete Beginner's Guide

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By CraftingStepByStepPublished Updated

Based on a video by Lorien's Craft Box.

UV resin is a liquid polymer that stays runny until you put it under an ultraviolet light, and then it cures into a hard, glassy plastic in just a few minutes. That speed is what makes it so beginner-friendly. You don't need to mix two parts, you don't need to wait 24 hours, and you don't need a dedicated workspace. A small bottle, a UV lamp, and a few molds or bezels are enough to get you started.

Most crafters reach for UV resin to make small things you can wear or hang: pendants, earrings, keychain charms, phone-strap minis, and shrink-plastic toppers. You can pour it clear for a glass-like finish, color it with liquid pigments or mica powders, embed glitter and stickers and dried flowers, or use it as a glossy top coat over a flat piece.

The seven steps below follow Abby from Lorien's Craft Box as she walks through everything a first-time resin crafter needs to know: which brands she trusts, how to fill open and closed bezels, how to color a small batch, how to use silicone molds, and how to get a proper hard cure under a UV lamp.

Step-by-Step Guide

1

Gather your UV resin and basic tools

0:40
Step 1: Gather your UV resin and basic tools

Start with a hard-type UV resin you trust. Abby uses Padico and Miniature Sweet brands and keeps a small kit of Padico picks nearby: a needle tool, chisel, angled tool, flat tool, and tiny scoop. The plastic ones bend over time, so toothpicks work fine if you don't want to buy a set yet. Add a pair of fine-tip tweezers (Tamiya is her pick) for placing decals and inclusions.

Tip

Hard-type resin is what you want for jewelry and charms. Soft and gummy types exist for flexible pieces but they stay slightly bendy after curing.

2

Fill a bezel with resin

2:18
Step 2: Fill a bezel with resin

Bezels are the easiest way to start. Squeeze resin straight from the bottle into the metal frame and use a needle tool or toothpick to push it into the corners. Don't overfill, the surface tension will hold a slight dome. Drop in any decals, stickers, or glitter now, then move on to popping bubbles before you cure.

Tip

Pass a lighter quickly across the surface once everything is in to pop bubbles. Don't hold the flame on the resin, just sweep it across.

3

Back open bezels with clear packaging tape

2:58
Step 3: Back open bezels with clear packaging tape

Open bezels have no metal floor, so the resin would just leak out. Stick a strip of clear packaging tape across the back, press firmly so there are no gaps along the bezel edge, and flip it tape-side down on your work surface. Now you can fill it like a closed bezel. After it cures, the tape peels right off and leaves a smooth, glossy back.

Tip

Use real clear packaging tape, not masking tape. Masking tape will absorb the resin and ruin the back of your piece.

4

Color the resin

3:45
Step 4: Color the resin

Tip a small puddle of resin onto a palette or work straight in the mold. Add a drop of liquid pigment (Padico clear colors are great for translucent pieces, Miniature Sweet for soft pastel opaques) and stir with a toothpick until the color is even. Pearl Ex powders and glitter work the same way. Start with a tiny amount, you can always add more, but you can't take it back out.

Tip

Mica powders give a shimmery, almost metallic finish. Liquid pigments give a true tint. Alcohol inks also work but can stay tacky if you use too much.

5

Pour resin into a silicone mold

4:28
Step 5: Pour resin into a silicone mold

Silicone molds come in every shape you can think of, from tiny charms to bigger pendants. Squeeze resin slowly into the cavity until it sits just below the rim, then tap the mold gently on the table so trapped air rises to the top. Pass a lighter quickly across the surface to pop any bubbles. Don't hold the flame on the resin, just a quick sweep.

Tip

If you want a clear piece, pour in two thin layers and cure between them rather than one thick pour. Thick pours trap more bubbles and can yellow on the bottom.

6

Cure under a UV lamp

5:08
Step 6: Cure under a UV lamp

Slide the piece under your UV lamp and turn it on. A small 9-watt lamp is fine for tacking layers together, but for a real hard cure you want a 36-watt UV lamp. Cure for three to five minutes, flip the piece if it's in a mold, and run it again so both sides see the light. If you don't have a lamp yet, direct sunlight for about 30 minutes also works.

Tip

A nail lamp with a UV bulb works as long as it's actually UV and not pure LED. Some nail lamps only emit LED light at a different wavelength and will leave resin tacky.

7

Demold and check the cure

6:00
Step 7: Demold and check the cure

Once the timer's done, pop the piece out of the silicone mold or peel the packaging tape off the back of your bezel. Press the surface with your fingernail. If it still feels tacky or soft, your lamp isn't strong enough or the piece needs more time, so put it back under the light for another few minutes. A fully cured piece is hard, glossy, and ready to wear or glue onto a project.

Tip

Persistent tackiness usually means a weak lamp. Try moving the piece into direct sunlight for 20 to 30 minutes as a rescue cure before you toss it.

Products Used

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How to Use UV Resin: A Complete Beginner's Guide

Tools
9
Materials
10
Steps
7
Video
7 min

Your Guide

Lorien's Craft Box

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