Are Epoxy Colourants Compatible with All Resins?
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Quick answer
Colourfun epoxy colourants are compatible with Resin Pro’s epoxy and UV resin range, but they are not a universal additive for every resin system on the market. They offer high-coverage pigment for tinting resin repairs, coatings and castings. Keeping the colourant addition below 5% of the total mix helps preserve the resin’s cured strength, clarity and working properties. For floor tile repairs, this allows consistent colour matching across epoxy and UV resin work without changing colourant type.


If you are repairing floor tiles and planning to tint resin, compatibility is worth checking before you buy. Colourfun is designed to work across Resin Pro’s epoxy and UV lines, but the exact shade and cure behaviour can still vary with the resin type and project conditions.
Which resin types are covered?
The stated compatibility covers Resin Pro’s epoxy and UV resin range. That means you can use the same Colourfun liquid epoxy resin colourant for an epoxy floor repair or a UV-cured resin fill without switching to a different pigment system.
If you only need one or two shades, a liquid bottle is a practical starting point. If you expect to blend several floor colours, a colourant set can be more useful for controlled mixing. For any resin outside the stated range, test a small batch first to check colour acceptance and cure.


Staying within the 5% mixing limit
The recommended working range for Colourfun is below 5% of the total resin mix. Staying under this threshold helps maintain the resin’s original strength and handling behaviour, which is important for a floor surface that will be walked on.
- Start with a very small amount and increase gradually until the shade is close.
- Weigh or measure the resin and pigment carefully rather than adding freehand.
- Mix thoroughly before checking colour, as pigment can appear different before full dispersion.
- Keep a note of the ratio so the same shade can be repeated if more mix is needed.
When compatibility matters most
Compatibility becomes more important when a floor tile repair needs a reliable cure and a close colour match. The 5% limit matters because it helps keep the resin’s physical properties intact, including how it sets and how it behaves under foot traffic.
Because floor repairs often involve visible seams, chips or filled cracks, even a small colour shift can be noticeable. Working within the recommended range gives you a more predictable result and reduces the chance of a patch that looks or performs differently from the surrounding floor.

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Related guides
For more help choosing a repair system or matching colour for a specific floor tile problem, see the colour for repairing floor tiles guide.
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