β-HAA Hardener for polyester powder coatings

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.