General hybrid epoxy polyester resin HH2782 with high gloss and TMA free
◇ Applications:
HH2782 is a carboxyl polyester resin designed for 70/30 hybrid powder coatings
Advantages of powder coatings
1. Health and environmental protection
2. Convenient transportation and storage
3. No preservative is required
4. No paint smell
◇ Basic features:
Outstanding mechanical properties
Good leveling
Good storage stability
Good Chemical resistance
TMA free
◇ Specifications:
Appearance: white or light yellow transparent flakes
Color(50%DMF) max:2
Acid number(mgKOH/g): 29～34
Softening point(℃): 98～112
Glass transition temp.( ℃): ～60
Melting viscosity(200℃, cone/plate, mPa·s): 6000±1000
Reactivity at 180℃(s, 30% Epoxy): 200±40
◇ Recommend Formulation: HH2782—E12
| HH2782 | E12 | Filler ＆ pigment | Leveling agent | Benzoin | 701 |
| 420 | 180 | 383 | 8 | 4 | 5 |
◇ 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: 180℃×10~20min
◇ Film Properties:
Gel time(180℃,sec) 150~270
Horizontal flow:(180℃),mm: 22~26
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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TMA Free Epoxy And Polyester Resin 70/30 Storage Stability No Smell Images
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