HH-2583 is a carboxyl polyester resin designed for 50/50 hybrid powder coating with low gloss.
Basic features:
-Good storage stability
-Excellent extinction performance
-Good mechanical properties
-No suitable for high gloss coating
Specifications:
Appearance |
white or light yellow transparent flakes |
Color(50%DMF) |
max:3 |
Acid number(mgKOH/g) |
69~75 |
Softening point(℃) |
93~103 |
Glass transition temp(℃) |
~53 |
Melting viscosity(200℃,cone/plate,mPa·s) |
3500~5500 |
Reactivity at 180℃(s,50%Epoxy) |
150~250 |
Recommend Formulation:
HH-2583 |
E12 |
Filler&Pigment |
Leveling agent |
Benzoin |
Carbon black |
Matting agent |
270 |
270 |
384 |
10 |
4 |
6 |
48 |
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 |
50~100μm |
Degreased cold-rolled steel |
0.5mm |
Curing Requirement:180℃*15min or 200℃*20min
Film Properties:
Gel time(180℃,sec) |
50~150 |
Horizontal flow(180℃,mm) |
20~24 |
Gloss(60°) |
<=10% |
Bending(φ1mm) |
pass |
Adhesive(1mm,grade) |
0 |
Pencil hardness |
1H |
Impact(50cm) |
+50,-40 |
Packaging:PE bags, N.W. 25KG±0.1KG / bag