HAA curing agent

Product description：
HAA curing agent series is a poly-functional ß-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, sterile a new type of powder coating with mutation has been widely used because of its environmental protection, safety and energy saving
 


Technical specification
 


Item	A3120	A105	Test method
Appearance	White powder	White powder	Eye-Test
Melting range(℃)	120~128	120~128	GB/T617
Hydroxyl equivalent weight	80-84	80-84
Solid content（%）	≥99.0	≥98.0	GB/T1725
Application	A320 features for higher purity, better anti-yellowing performance, pinhole shrinkage phenomenon. It is widely used for most outdoor powder coating product	A105 feature for its high-performance cost, good anti-yellowing performance, pinhole shrinkage. It is widely used for most ordinary outdoor powder coating product

 
Application
HAA has excellent mechanical properties and weatherability, and can be cross-linked with carboxyl-containing polyester resin or acrylic resin to prepare weatherable powder coatings. Compared with TGIC, it has no toxicity and can be used to prepare outdoor weather-resistant powder coatings without toxicity, skin irritation and safety.

Use method & levels
l  Premix HAA with other components of the formula before extrusion
l  Recommend to design formula by weight parts of 95/5 [resin to ] for polyester resin with AV ca.34 mg KOH/g; 96.5/3.5 for polyester resin with AV ca.22 mg KOH/g.
 
Package & Storage
l  Packaging with PE lined Kraft paper bags. Net weight 25 kg per bag.
l  Store in cool dry place to avoid caking. Keep package closed after using. Keep away from heat and fire.
l  based on our experience the shelf life of this product under above conditions is at least 2 years.
 

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