UV Resin Hard 1kg - Crystal Clear Fast Cure for Jewelry & Craft

UV Resin Hard 1kg - Crystal Clear Fast-Curing Resin for Jewelry, Charms, and DIY Crafts

This hard-type UV resin cures fast and clear under a UV lamp, torch, or direct sunlight, no mixing, no measuring, and no hardener needed. The 1kg bottle has a precision nozzle for clean application into bezels, molds, and small details. It cures to a hard, glossy, glass-like finish that resists scratches and yellowing, which makes it ideal for wearable jewelry and fine craft work.

Best for small, thin pieces. UV resin cures only where UV light can reach, so it works best on jewelry, charms, keychains, doming, and thin layers up to about 1cm. For large or thick items like coasters, trays, or deep castings, use a two-part epoxy resin instead, since UV light cannot fully cure thick pours.

Key Features

• Cures in about 2 to 4 minutes under a UV lamp or torch, or 10 to 15 minutes in direct sunlight
• Ready to use with no mixing, no hardener, and no measuring, unlike two-part epoxy resin
• Crystal clear, high-gloss, glass-like finish that resists scratches and yellowing
• Hard-type cure suited to durable, wearable jewelry and fine detail work
• Precision nozzle for clean filling of bezels, molds, and small spaces

Where You Can Use This

• Jewelry such as earrings, pendants, rings, and bracelets
• Keychains, charms, badge reels, and small accessories
• Doming over flat pieces and filling open-back bezels
• Sealing and coating small art, bookmarks, and miniatures
• Embedding dried flowers, glitter, and tiny decorative elements
• Quick repairs and bonding on small craft items

How to Use

• Squeeze the resin into your mold, bezel, or onto your surface in a thin layer
• Add dried flowers, glitter, or UV-safe pigment if you want color or inclusions
• Cure under a UV lamp or torch for 2 to 4 minutes, or in direct sunlight for 10 to 15 minutes
• For thicker pieces, build up and cure in thin layers so the light reaches all the way through
• Cure the back of silicone molds too, so both sides set fully and are not tacky

Why Choose JustKraft

JustKraft UV resin is made for fast, clean, repeatable results, the same clarity and the same hard cure every time, which matters when you make jewelry to sell or gift.

Complete Your Setup

You will need a UV light to cure this resin. Pair it with the JustKraft 9-LED UV torch for quick spot curing, or the Sun Mini UV LED lamp for hands-free curing. Add UV resin tape to create a transparent base, silicone molds and bezels to shape your pieces, UV-safe pigments and mica for color, and diamond glaze polish to finish cured pieces with extra shine.

Frequently Asked Questions

Q: Do I need a UV lamp, or will sunlight work?
A: Both work. A UV lamp or torch cures the resin in about 2 to 4 minutes. Direct sunlight takes 10 to 15 minutes on a sunny day and longer when cloudy.

Q: Can I make coasters or large pieces with UV resin?
A: No. UV resin is for small, thin pieces like jewelry and charms, up to about 1cm thick. UV light cannot fully cure large or thick pours, so use two-part epoxy resin for coasters, trays, and deep castings.

Q: Why is my resin still sticky after curing?
A: Usually the light did not reach all the way through. Cure in thin layers, make sure your lamp is strong enough, and cure both sides of silicone molds. Adding too much pigment or glitter can also block the light.

Q: Do I need to mix anything?
A: No. UV resin is ready to use straight from the bottle. There is no hardener and no mixing, unlike two-part epoxy resin.

Q: Will it stay clear over time?
A: Yes. It is formulated to resist yellowing and cures to a hard, glossy, scratch-resistant finish. Store the bottle away from light so it does not cure inside.