Kinte Materials Science and Technology Co.,Ltd
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95/5 Duable Anti Yellowing HAA Polyester Resin NH6585 for Powder Coating
◇ Applications:
NH-6585 is a saturated carboxyl polyester resin designed for 95:5 Primid XL 552 powder coating to be cured at 180℃. The balance between high leveling, high weather resistance and mechanical properties of powder coating was solved through the design of product molecular structure, the screening of monomers and additives and the study of synthesis kinetics;
◇ Basic features:
Excellent weathering resistance
Excellent leveling & mechanical properties
Good anti-yellowing
Pinhole free in thick films
◇ Specifications:
Appearance white or light yellow transparent flakes
Color(50%DMF): max:2
Acid number(mgKOH/g): 30～35
Softening point(℃) 95～105
Glass transition temp.( ℃) ～60
Melting viscosity(200℃, cone/plate, mPa·s): 4500±500
Reactivity at 180℃(s, 5% XL552): 180±80
◇ Recommend Formulation:NH-6585/HAA
| NH-6585 | XL-552 | Filler | Flow agent | Benzoin | 701 | 703 |
| 566 | 34 | 380 | 8 | 4 | 4 | 4 |
◇ 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: 50～70μm
Degreased cold-rolled steel 0.5mm
◇ Curing Requirement: 180℃×10min.
◇ Film Properties:
Gel time(180℃,sec) 130~230
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)
