Sa550 Matting Agent (Gma Resin)

Backed by a team of dexterous experts, we are well known Supplier of SA550 Matting Agent (GMA Resin) in Liuan, Anhui, China.
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%(60A ) and excellent weather-resistance.

1. Typical properties
Appearance
Pale yellow to white granule
[visual]
Soft point (a )
115-125
[Ring & Ball method]
Epoxy equivalent weight
625-675
[ASTM D1652]
Herein described to be typical properties and do not constitute specification limits.

2. Characteristics
a a 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%(60A ).
a a The gloss can be adjusted by replacing part of SA550 with TGIC or HAA .
a a 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
a a Premix SA550 with other components of the formula before extrusion.
a a 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
a a Packaging with PE lined Kraft paper bags. Net weight 25kg per bag.