Color is one of the most powerful tools in resin crafting. Whether you’re pouring jewelry trays, decorative home accents, or custom gifts, the right pigment can instantly elevate a simple mold into a standout piece.
But coloring epoxy resin isn’t just about adding dye and stirring. The type of colorant, how much you use, and how you mix it all affect clarity, curing, and final appearance—especially when you’re working with detailed silicone molds.
What Can You Use to Color Epoxy Resin?
Resin Pigments (Best Overall Choice)
Resin pigments are specifically designed to blend seamlessly into epoxy without interfering with curing. They are highly concentrated and ideal for detailed resin silicone molds.
Mica Powders (Shimmer & Metallic Effects)
Mica powders create pearlescent and metallic finishes. They work beautifully in decorative silicone molds but should be mixed thoroughly to avoid clumps.
Alcohol Inks
Alcohol inks are great for artistic effects like blooms and swirls, but they should be used sparingly to avoid curing issues.
Acrylic Paint (Use with Caution)
Acrylic paint can be used in very small amounts, but too much can cause resin to remain sticky or uncured.
How Much Colorant Should You Add?
Colorant should never exceed 5% of the total resin volume. Start small and increase gradually for best results.
How to Color Epoxy Resin Properly
- Mix resin and hardener completely before adding color.
- Add pigment slowly and stir gently.
- Scrape the sides and bottom while mixing.
- Pour carefully into silicone molds.
Common Resin Coloring Mistakes
- Adding color before mixing resin
- Using too much pigment
- Mixing too aggressively
- Using water-based dyes
Advanced Coloring Techniques
Layered pours, swirl effects, and transparent finishes allow you to create unique designs using silicone molds.
Does Color Affect Resin Curing?
Yes. Excess pigment can slow or stop curing, especially with dark or opaque colors.
Featured Summary
Coloring epoxy resin requires resin-safe pigments, careful measurement, and thorough mixing. Using high-quality silicone molds helps ensure smooth, evenly colored results with clean details and easy release.
Frequently Asked Questions
What is the best colorant for epoxy resin?
Resin-specific liquid pigments provide the most reliable results.
Can you use food coloring in resin?
No. Food coloring is water-based and can prevent proper curing.
Why is my resin sticky?
This is usually caused by too much colorant or improper mixing.
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