NH-6361 is a saturated carboxyl polyester resin designed for 93:7 Primid XL 552 powder coating to be cured at 160℃.
Basic features:
-High crosslinking density
-Excellent chemical resistance
-Good mechanical properties
Specifications:
Appearance |
White or pale yellow transparent flakes |
Color(50%DMF) |
max:2 |
Acid number(mgKOH/g) |
48~53 |
Softening point(℃) |
95~105 |
Glass transition temp(℃) |
~55 |
Melting viscosity(200℃,cone/plate,mPa·s) |
3000±700 |
Reactivity at 180℃(s,7%XL-552) |
80±30 |
Recommend Formulation:
NH-6361 |
XL-552 |
Filler&Pigment |
Leveling agent |
Benzoin |
701 |
703 |
558 |
42 |
380 |
8 |
3 |
4 |
4 |
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 |
50~70μm |
Degreased cold-rolled steel |
0.5mm |
Curing Requirement:160℃*10min
Film Properties:
Gloss(60°) |
8%~14% |
Gel time(180℃,sec) |
60~90 |
Horizontal flow (180℃), mm |
20~25 |
Bending(φ2mm) |
pass |
Adhesive(1mm,grade) |
0 |
Pencil hardness |
>=1H |
Impact(50cm) |
pass |
Packaging:PE bags, N.W. 25KG±0.1KG / bag