Kinte Materials Science and Technology Co.,Ltd
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Anti-yellowing Polyester Resin 93/7 TGIC Cure NH3306 for Texture Powder Coating with Excellent Impact Resistance
◇ Applications:
NH3306 is saturated carboxyl polyester resin for applications of polyester/TGIC powder coating system. For the field of high-end powder coatings, Kinte launched high-end UV absorbers, which have very high thermal stability, light stability and low mobility, and are the best choice for customers in many industries.
◇ Basic features:
Good leveling
Excellent anti-yellowing
Excellent storage stability
Good weathering resistance
Suitable for the powder coatings with deep or bright color.
◇ Specifications:
Appearance White or light yellow transparent flakes
Color(50%DMF): max:2
Acid number(mgKOH/g): 31～36
Softening point(℃): 104～114
Glass transition temp.(℃): ～69
Melting viscosity(200℃, cone/plate, mPa·s): 9000±800
Reactivity at 180℃(s, 7% TGIC): 170±30
◇ Recommend Formulation:NH3306—TGIC
| NH3306 | TGIC | Filler ＆ pigment | Leveling agent | Benzion | 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
Coating film thickness: 50～100μm
Degreased cold-rolled steel 0.5mm
◇ Curing Requirement: 200℃×10min
◇ Film Properties:
Gel time(180℃,sec) 200~300
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)
