NH-6485 is a saturated carboxyl polyester resin for Polyester/Primid powder coating system. Suitable for heat transfer powder coatings.
Basic features:
-Excellent mechanical properties
-Excellent flowing
-Good for heat tranfer printing
Specifications:
Appearance |
white or light yellow transparent flakes |
Color(50%DMF) |
max:2 |
Acid number(mgKOH/g) |
49~55 |
Softening point(℃) |
101~111 |
Glass transition temp(℃) |
~55 |
Melting viscosity(200℃,cone/plate,mPa·s) |
3000±500 |
Reactivity at 180℃(s,6%T-105) |
150±30 |
Recommend Formulation:
NH-6485 |
T-105 |
TiO2 |
BaSO4 |
Leveling agent |
Benzoin |
701 | 703 | 4110 |
564 |
36 |
200 |
180 |
8 |
4 |
4 |
4 |
- |
564 |
36 |
- |
356 |
8 |
4 |
6 |
4 |
22 |
Extrusion Condition:Two-screw estruder
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
Heat transfer printing time:180℃*2min
Film Properties:
Gel time(180℃,sec) |
100~200 |
Horizontal flow(180℃,mm) |
26~28 |
Gloss(60°) |
>=88% |
Bending(φ2mm) |
pass |
Adhesive(1mm,grade) |
0 |
Pencil hardness |
>=1H |
Impact(50cm) |
pass |
Packaging:PE bags, N.W. 25KG±0.1KG / bag