Every coating is built around its resin. Also called the binder, the resin holds the pigment together, makes the film stick to the substrate, and determines how the finished coating performs over time.
Pick the right resin and the rest of the formulation gets easier; pick the wrong one and no amount of additive tweaking will fully rescue it. This guide walks through the main resin families and the trade-offs that should guide your choice.
What the resin actually does
The binder controls most of the properties buyers care about:
- Adhesion to the substrate
- Hardness, flexibility, and impact resistance
- Gloss and clarity of the finish
- Resistance to water, chemicals, and UV
- Dry or cure speed
"Choosing a resin is really about deciding which performance properties you can't compromise on."— Alcona Trading Team
The main resin families
Acrylics
Acrylic resins are prized for excellent colour and gloss retention and strong UV resistance, which makes them a default for exterior and architectural coatings. Available in both waterborne and solventborne forms, they balance performance with increasingly favourable environmental profiles.
Alkyds
Alkyds offer great wetting, flow, and a hard, glossy finish at an attractive cost — long a staple of trim paints and general-purpose enamels. They cure by oxidation, so dry time and yellowing are considerations.
Epoxies
When chemical and corrosion resistance and tough adhesion are the priority — floor coatings, primers, industrial maintenance — epoxies are hard to beat. They're typically two-component systems and have limited UV stability, so they're often topcoated.
Polyurethanes
Polyurethanes deliver outstanding abrasion resistance, flexibility, and a durable high-gloss finish, making them popular for demanding industrial and automotive topcoats.
Matching resin to application
There's rarely a single "best" resin — only the best fit for a given job, environment, and budget. Exterior durability points toward acrylics; chemical resistance toward epoxies; cost-sensitive interior enamels toward alkyds; high-wear topcoats toward polyurethanes. Many high-performance products blend resins to capture more than one benefit.
Sourcing with confidence
Our Paint & Coatings range spans resins along with the pigments, solvents, and additives that complete a formulation — each supplied with current documentation. Tell us the performance you're targeting and we'll help you identify suitable binder options and pricing.