Kinte Materials Science and Technology Co.,Ltd
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Polyester Resin 93/7 NH3343 in TGIC system with 140°C/15mins low Cure for Outdoor powder paint
◇ Applications:
NH3343 is a saturated carboxyl polyester resin for polyester/TGIC powder coating system.
It can be used for surface coatings or such things as flaw detectors, auto water tanks, springs, electrical appliances with coils, instruments equipment with tin welding seams.
◇ Basic features:
Good leveling
Good mechanical properties
Good weathering resistance
Low curing temperature
◇ Specifications:
Appearance white or light yellow transparent flake
Color (50%DMF): max: 3
Acid number(mgKOH/g): 30～36
Softening point(℃): 103～113
Glass transition temp.(℃): ～61
Melting viscosity(ICI,mPa·s/200℃): 5500±800
Reactivity at 180℃(s, 7% TGIC): 70±30
◇ Recommend Formulation for white powder:NH3343—TGIC
| NH3343 | 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
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)
