Kinte Materials Science and Technology Co.,Ltd
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Polyester Resin 93/7 NH3345 in TGIC system with 140°C/15mins low Cure and Anti Frost
◇ Applications:
NH3345 is a saturated carboxyl polyester resin for polyester/TGIC powder coating system.
It's the anti blooming version of NH3343.
◇ Basic features:
Good leveling
Good mechanical properties
Good weathering resistance
Excellent anti-frost
Low curing temperature
◇ Specifications:
Appearance white or light yellow transparent flake
Color (50%DMF): max: 3
Acid number(mgKOH/g): 30～35
Softening point(℃): 100～110
Glass transition temp.(℃): ～60
Melting viscosity(ICI, mPa·s/200℃): 6500±1000
Reactivity at 180℃(s, 7% TGIC): 50±30
◇ Recommend Formulation for white powder:NH3345—TGIC
| NH3345 | TGIC | Filler ＆ pigmen | Leveling agent | Benzoin | 701 |
| 558 | 42 | 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
Film thickness: 50～70μm
Degreased cold-rolled steel 0.5mm
◇ Curing Requirement: 140℃×15min
◇ Film Properties:
Gel time(180℃,sec) 30~80
Horizontal flow (180℃), mm: 16~22
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)
Kinte Material Technology Co., Ltd. is a state-owned holding enterprise specializing in the R & D, production and sales of powder coatings, saturated polyester resin for powder coatings, liquid coatings and special new materials. It is subordinate to China National Electric Apparatus Research Insitute Co., Ltd. , which makes us professional and trustworthy.
