Kinte Materials Science and Technology Co.,Ltd
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Good Leveling Saturated Carboxyl Polyester Resin TGIC Cure for Outdoor Powder Coating
◇ Application:
NH3405 is a saturated carboxyl polyester resin for polyester/TGIC powder coating system at the rate of 94:6. Only a small amount of curing agent is needed to complete the curing.
◇ Basic features:
Good leveling
Good mechanical properties
Superior weathering resistance
Excellent anti-yellowing
◇ Specifications:
Appearance white or light yellow transparent flakes
Color (50%DMF): max: 3
Acid Value (mgKOH/g): 27.5～32
Softening point(℃): 108 ～116
Glass transition temp.(℃): ～65
Melting viscosity(ICI, mPa·s/200℃): 4500～6500
Reactivity at 180℃(s, 6% TGIC): 140±40
◇ Recommend Formulation:
| Materials | NH-3405 | TGIC | Pigment&Filler | Leveling agent | Benzoin | 701 |
| Formula | 564 | 36 | 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: ＜80μm
◇ Application Condition:
Available for electrostatic spraying with: 40～70KV
Film thickness: 50～70μm
Degreased cold-rolled steel 0.5mm
◇ Curing condition: 200℃×10min
◇ Film Properties:
Gel time(180℃,sec): 100~280
Flow(180℃,mm): 24~29
Gloss(60°): ≥88%
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)
