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Matting agent for durable carboxyl functional polyester powder coatings

Jietonda® SA550 is a glycidyl containing solid acrylic resin designed for applying in exterior durable carboxyl functional polyester powder coatings to provide low gloss of <5%(60°) and excellent weather-resistance.

1. Typical properties

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

2. Characteristics
　 ● SA550 can be mixed with various carboxyl functional polyester resins to formulate matte, one shot, and exterior durable polyester powder coatings with low gloss of 5 -70%(60°).
　 ● The gloss can be adjusted by replacing part of SA550 with TGIC or HAA .
　 ● Some cure catalysts such as 2-phenyl-imidazoline and quaternary ammonium salts may improve coatings mechanical and surface performance in SA550 system.

3. Use method & levels
　 ● Premix SA550 with other components of the formula before extrusion.
　 ● Recommend to design formula by weight parts of 70/30 [resin to SA550] for pure polyester resin with AV ca.34mg KOH/g.

4. Package & Storage
　 ● Packaging with PE lined Kraft paper bags. Net weight 25kg per bag.
　 ● Store in temperature between 2-32℃ or 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.