HH-2582 is a carboxyl polyester resin designed for 50/50 hybrid powder coating to be cured at 180℃.
Basic features:
-Good leveling
-Excellent mechanical properties and excellent chemical performance
-Good storage stability
Specifications:
Appearance |
white or light yellow transparent flakes |
Color(50%DMF) |
max:3 |
Acid number(mgKOH/g) |
65~75 |
Softening point(℃) |
97~107 |
Glass transition temp(℃) |
~58 |
Melting viscosity(ICI,mPa·s/200℃) |
2700±500 |
Reactivity at 180℃(s,50%Epoxy) |
170±25 |
Recommend Formulation:
HH-2582 |
E12 |
Filler&Pigment |
Leveling agent |
Benzoin |
150 |
150 |
225 |
8 |
4 |
Extrusion Condition:Two-screw extruder
Zone Ⅰ |
90~110℃ |
ZoneⅡ |
110~120℃ |
Speed of revolution |
500~1200rpm |
Fineness of powder |
<100μm |
Application Condition:
Electrostatic spraying with |
40~70KV |
Coating film thickness |
50~70μm |
Degreased cold-rolled steel |
0.5mm |
Curing Requirement:180℃*15min or 200℃*10min
Film Properties:
Gel time(180℃,sec) |
200~300 |
Horizontal flow(180℃,mm) |
25~28 |
Gloss(60°) |
>=90% |
Bending(φ1mm) |
pass |
Adhesive(1mm,grade) |
0 |
Pencil hardness |
1H |
Impact(direct reserve) |
pass 50kg·cm |
Packaging:PE bags, N.W. 25KG±0.1KG / bag