Anti Yellowing HAA Polyester Transparent With Low Cure Condition
Anti-yellowing Enviromental Friendly and Energy Saving HAA Polyester Resin NH6353
◇ Applications:
NH-6353 is a saturated carboxyl polyester resin for Polyester/Primid powder coating system.
◇ Basic features:
Low temperature curing
Extraordinary mechanical properties
Good extreme weather resistance
No substances harmful to the environment added in the production process
100% environmental friendly
◇ Specifications:
Appearance white or light yellow transparent flakes
Color(50%DMF): max:3
Acid number(mgKOH/g): 49～55
Softening point(℃): 101～111
Glass transition temp.( ℃): ～55
Melting viscosity(200℃, cone/plate, mPa·s): 4500±1000
Reactivity at 180℃(s, 7% T-105): 130±30
◇ Recommend Formulation:
| NH-6353 | T-105 | Filler ＆ pigment | Leveling agent | Benzion | 701 | 703 |
| 558 | 42 | 380 | 8 | 4 | 4 | 4 |
◇ Extrusion Condition:
Two-screw extruder
Zone I: 90～110℃ Zone II: 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: 150℃×15min.
◇ Film Properties:
|
Gel time(180℃,sec) |
90~150 |
| Horizontal flow(180℃,mm) | 22~25 |
| Gloss(60°) | ≥85% |
| Bending(φ1mm) | pass |
| Adhesive(1mm,grade) | 0 |
| Pencil hardness | ≥1H |
| Impact (50cm) | pass |
◇ Packaging:PE bags, N.W. 25KG±0.1KG / bag
Remarks:all the polyester resins could be customizes to Non-tin (A) ,anti gas burners(G),tribo gun(T) and anti-blooming(F)
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