Powder Coatings — Process Challenge

Resinas y curativos para pintura en polvo

Los fabricantes de pintura en polvo adquieren resina de poliéster carboxilado o epóxica más curativo TGIC/HAA y aditivos de flujo y desgasificación.
Updated Jun 2026
Enfoque de solución

RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.

Typical Formulation Workflow
1
System & Substrate Assessment
Define the binder system (waterborne, solventborne, UV, powder), substrate, cure, and the VOC, durability, and appearance targets.
2
Additive & Resin Selection
Match resins, pigments and fillers, dispersants, rheology modifiers, defoamers, or biocides to the formulation and compatibility window.
3
Lab Let-Down & Optimization
Dial in loading and addition order through lab let-downs, checking dispersion, rheology, film properties, and storage stability.
4
Application & Performance Testing
Validate on the real application method and substrate, tracking gloss, adhesion, sag, cure, and weathering before scale-up.
Recommended Chemistries (6)
Carboxyl-functional polyester resin ( grade)
COOH-terminated saturated polyester — the defining film former for TGIC/HAA-cured weatherable powder coatings
Bisphenol A diglycidyl ether (DGEBA) epoxy resin
CAS 25068-38-6
Aditivos Especiales
Formación de película
Solid epoxy used in hybrid (epoxy-polyester) and pure-epoxy powders; crosslinks with carboxyl or amine curatives
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Glycidyl methacrylate (GMA)
CAS 106-91-2
Aditivos Especiales
Reticulación / Curado
2810 (GLYCIDYL METHACRYLATE) · Class
Epoxy-functional monomer for weatherable acrylic powder resins that cure with dicarboxylic acids such as dodecanedioic acid
Physical Description: Glycidyl methacrylate is a colorless liquid wit…   Appearance: Colorless liquid   Odor: Fruity odor
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Triglycidyl isocyanurate (TGIC)
CAS 2451-62-9
Trifunctional epoxide curative that crosslinks carboxyl polyester for durable exterior powder coatings
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Beta-hydroxyalkylamide (HAA/Primid)
CAS 6334-25-4
TGIC-free curative whose hydroxyl groups esterify with polyester COOH, releasing only water, for low-toxicity weatherable powders
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Benzoin
CAS 119-53-9
Degassing agent that releases entrapped air and volatiles during cure to prevent pinholes in the film
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