50:50 180C Curing Powder Coating Polyester Resins , Epoxy Polyester Hybrid Fast Cure
Fast cure Epoxy polyester hybrid HH2586 excellent flexibility and impact resistance
◇ Applications:
HH2686 is a carboxyl polyester resin designed for 60/40 hybrid powder coatings.
◇ Basic features:
Excellent leveling
Outstanding mechanical properties
Good chemical resistance
Good storage stability
◎Specifications:
| Appearance | White or pale yellow transparent flakes |
|
Color(50%DMF) |
max:3 |
| Acid Value (mgKOH/g) | 52.5～57 |
| Softening Point (℃) | 90～103 |
| Glass Transition Temp. (℃) | ～55 |
| Melting Viscosity (200℃, ICI, mPa·s) | 3000~4500 |
| Reactivity at 180℃ (s, 40% Epoxy) | 170~300 |
| Curing Requirement | 180℃×15min or 200℃×10min |
| Packaging | PE Bags, Net Weight 25kg ± 0.1kg / bag |
◇ 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: 50～70μm
Degreased cold-rolled steel 0.5mm
◇ Curing Requirement: 180℃×15min or 200℃×10min
◇ Film Properties:
Gel time(180℃,sec): 220~320
Horizontal flow:(180℃), mm: 28~30
Gloss(60°): ≥90%
Bending(φ1mm): pass
Adhesive(1mm, grade): 0
Pencil hardness: 1H
Impact(50kg·cm): pass
| Code | Ratio | Cure cycle |
Acid value (mgKOH/g) |
Viscosity (mPa.s/200°c) |
Tg(°c) |
Reactivity (s/180°c) |
Properties |
| HH2586 | 50:50 | 180°C/15mins | 68-80 | 5000-8500 | ~60 | 120-200 |
Fast cure,excellent flexibility and impact resistance |
◇ 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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