Kinte Materials Science and Technology Co.,Ltd
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93/7 Stable High Gloss & High Tg Polyester Resin NH3307 TGIC Cure for Powder Coating
Applications:
NH3307 is a saturated carboxyl polyester resin for polyester/TGIC powder coating system at the ratio 93/7.
Excellent flowability and durability, suitable for aluminum profile powder coatings.
Basic features:
Excellent leveling & anti-yellowing
Good chemical resistance and mechanical properties
High storage/shelf life
Wonderful weathering resistance
Suitable to make high gloss powder coatings for aluminum profile.
Specifications:
Appearance: white or light yellow transparent flakes
Color (50%DMF): max: 1
Acid number(mgKOH/g): 30～35
Softening point(℃): 103～113
Glass transition temp.(℃): ～67
Melting viscosity(200℃, cone/plate, mPa·s): 5000±1000
Reactivity at 180℃(s, 7% TGIC): 230±30
Recommend Formulation:NH3307—TGIC
| NH3307 | TGIC | Filler ＆ pigment | 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: 50～100μm
Degreased cold-rolled steel 0.5mm
Curing Requirement: 200℃×10~15min
Film Properties:
Gel time(180℃,sec) 290~390
Horizontal flow(180℃,mm): 25~28
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)
Kinte Material Technology Co., Ltd. is a high-tech enterprise specializing in the research, development, production, sales and trade of environmental protection high-performance industrial coatings and key materials such as polyester resin, powder coatings and water-based coatings.
