β-haa hardener for polyester powder coatings

jietonda® sa3120 is a poly-functional β-hydroxyalkylamide cross linking agent. 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.

1. typical properties

herein described to be typical properties and do not constitute specification limits.

2. characteristics
　 ● non-toxic compared with tgic, the resulting tgic-free based exterior durable powder coatings are non-toxic, non-irritant to skin and safety to human body.
　 ● proven weather-resistance and low temperature curing (150℃) property.
　 ● exhibited enhanced charging properties so better powder transfer efficiency could be obtained.
　 ● excellent flow and mechanical properties.
　 ● improved anti-yellowing when used in combination with our developed specific degassing agent jietonda® sa500.

3. use method & levels
　 ● premix sa3120 with other components of the formula before extrusion
　 ● recommend to design formula by weight parts of 95/5 [resin to sa3120] for polyester resin with av ca.34mg koh/g; 96.5/3.5 for polyester resin with av ca.22mg koh/g.

4. package & storage
　 ● packaging with pe lined kraft paper bags. net weight 25 kg per bag.
　 ● store in cool dry place to avoid caking. keep package closed after using. keep away from heat and fire.
　 ● based on our experience the shelf life of this product under above conditions is at least 2 years.