Matt Hardener Used For TGIC free Powder Coatings System
Specification
The curing agent HA-80 is a tetra-functional group containing N,N,N’,N’-Tetrakis (β-hydroxyethy) adipamide (HAA). It is suitable for curing with carboxyl-terminated polyester or acrylic resin to produce exterior durable powder coatings with excellent mechanical properties and good weather durability. In comparison with TGIC, it’s non-toxic, and can be used to produce non skin irritant and safe outdoor powder coating.
Suggested Dosage
| Resin acid value(mgKOH/g) | HA-80 HH8080 |
| 18-25 | 96.0/4.0 |
| 27-32 | 95.5/4.5 |
| 32-38 | 94.5/5.5 |
| 50-55 | 92.5/7.5 |
Technical Index
| Items Items | HA-80 HH8080 |
| Appearance | White fine granule or powder |
| Hydroxyl equivalent/ (g/mol) | 82±2 |
| Melting range/ (℃) | 120～130 |
Characteristics
1, TGIC free: Avoid the toxicity of polyester/TGIC system
2, Lowest gloss to ca 4%@60o, depending on the selected polyester resin.
3, Full mechanical performance
4, Good appearance
Application
Applied as curing agent in TGIC-free based exterior durable powder coating.
