The Ultimate Guide to Resin Colorants: Alcohol Inks, Opaque & Transparent Dyes

Alcohol Inks Features

Alcohol inks are highly pigmented, dye-based colors commonly used in resin art to create fluid, organic effects. Unlike traditional resin colorants, alcohol inks aren’t meant to be fully mixed into the resin. Instead, they’re dropped onto the surface of uncured resin, where they naturally bloom, spread, and sink - forming mesmerizing marble, cloud, or “petri” patterns.

Applications

Alcohol inks are great for a variety of resin projects, including:

• Resin petri art
• Alcohol-ink paintings
• 3D flower bloom coasters or trays
• Swirled resin effects without blending colors together

Limitation to Consider

Once opened, alcohol inks can evaporate over time because of their high alcohol content, which may slightly reduce the volume in the bottle or thicken the remaining ink. Keeping caps tightly closed helps slow this process.

Step-by-Step Application Guide

1. Pour: Pour your well-mixed clear resin into the mold.
2. Drop: Add drops of alcohol ink directly onto the resin surface. The colors will begin to bloom and disperse on their own.
3. For petri or effects, layer your colors and finish with a white “sinker” ink. Apply your colors first, let them spread, then add drops of white. The white pushes the colors downward, creating coral-like, floral, or cloudy depth.
4. Key Tip: Avoid stirring. The signature alcohol-ink look comes from the natural movement of the inks in the resin. Stirring will blend the colors into the resin and eliminate the desired effects.

Transparent Resin Dyes Features

Transparent Resin Dyes are the most fundamental colorant set for clear casting resins (like epoxy and UV resin). Their primary characteristic is the ability to create translucent color finishes with a high-gloss shine.

Key Difference from Opaque Pigments:

• Transparent Dyes: Create see-through, tinted colors that allow light to pass through.
• Opaque Pigments: Create solid, milky colors that block light.

Applications

These dyes are perfect for a wide range of projects, including:

• Resin art and crafts
• Resin decorations and accessories
• DIY resin jewelry making
• Coloring any resin cast in a mold

Limitation to Consider

The colors achieved are inherently translucent or transparent, not solid. If an opaque, solid color is desired, you must mix in an opaque pigment or dye.

Step-by-Step Application Guide

1. Add & Mix: Directly add the dye into your thoroughly mixed, clear resin. Stir consistently and thoroughly until the color is fully integrated.
2. Key Rule: "Less is More." Always follow the principle of "add little by little." You can always add more dye to deepen the color, but you cannot remove it if you add too much at once, which can ruin a batch.
3. Cast & Cure: Once the color is perfectly mixed, pour the resin into your mold and allow it to cure completely.

Opaque Resin Pigments Features

Opaque Pigments are highly concentrated colorants designed to create vibrant, solid, and non-transparent colors in resin. Their key characteristic is providing full, milky coverage that blocks light, unlike transparent dyes.

Applications

These pigments are perfect for projects requiring bold, solid color coverage, such as:

• River Tables
• Coasters
• Small Trinkets and Accessories
• Decorative Ornaments
• Resin Clocks

Limitation to Consider

A crucial limitation to be aware of is that some opaque pigments, especially certain types, can inhibit the curing of UV Resin, preventing it from hardening fully.

Step-by-Step Application Guide

1. Mix Thoroughly: Add a very small amount of pigment to your mixed resin. Due to its high concentration, it always starts with a tiny quantity.
2. Stir Completely: Stir slowly and thoroughly to ensure the pigment is fully and evenly dispersed without creating excessive air bubbles.
3. Once fully mixed, pour the resin directly into your mold and allow it to cure completely.

Ocean White Pigment Paste Features

Ocean White Pigment Paste is a specialized, highly concentrated opaque pigment designed specifically for creating the white foam of ocean waves and intricate 3D bloom patterns in resin art. While its primary function is for these realistic water effects, it can also be used as a versatile coloring agent for mixing solid colors in various other projects.

Applications

This paste is essential for creating:

• 3D flower bloom patterns
• Ocean wave effect in resin pieces

Limitation to Consider

Due to its extremely opaque and dense nature, it is entirely unsuitable for creating any transparent or translucent effects.

Step-by-Step Application Guide

For Creating Wave Effects:

1. Preparation: Use a high-viscosity epoxy resin and ensure your work surface is perfectly level.
2. Timing & Mixing: Allow the mixed resin to sit for about 30 minutes until it thickens. When its temperature reaches 113-122°F, take a small amount and mix it thoroughly with the ocean white pigment paste to create a colored slurry.
3. Base Layer & Sculpting: Apply a very thin resin layer (1-2 mm) over your artwork. Using a heat gun or hair dryer at a 45-degree angle, gently blow air along the edges of the white paste mixture. Keep the tool moving and avoid blowing in one spot back and forth to create natural, wispy streaks.
4. Curing: After sculpting with air, let the piece sit undisturbed for 2-3 hours before moving it to finish curing completely.

❓Common Usage Issues

Issue	Solutions	Illustration
Color Fading	It is not recommended that the resin projects be exposed to sunlight for a long time, as it may cause the color to fade.
Mixing Ratio	Keep pigment usage below a 5% dye-to-resin ratio, as using too much can affect curing time and reduce the final hardness of the resin.