Description
AHA6552 is a tetra-functional group containing β-hydroxyalkylamide crosslinker. As a substitute of TGIC, it is suitable for curing with carboxyl-terminated polyester or acrylic resin to provide TGIC-free based exterior durable powder coatings.
Typical properties
| Appearance | Visual | White pills |
| Melting range | °C | 120-130 |
| Hydroxy number | mgKOH/g | 620-700 |
| Volatiles (%) | % | ≤1 |
Process & Use levels
AHA6552 is added to the binder/pigment blend before extrusion.
Recommended to design formulation by weight parts of 95/5 (resin to AHA6552) for pure polyester resin with AV ca 34mgKOH/g; 96.5/3.5 by weight for polyester resin with AV ca. 22 mgKOH/g.
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TDS AHA6552
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Does the product support customization? Yes, we support customization and can submit inquiries to contact us. Our experts will develop suitable solutions according to your needs.