Kinte Materials Science and Technology Co.,Ltd
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Polyester Resin NH8306 with Excellent Boiling Water Resistance and very Suitable for Dark Color Powder Coating
◇ Applications:
NH8306 is a saturated carboxyl 93/7 polyester resin for polyester/TGIC powder coating system.
◇ Basic features:
Marvelous boiling water resistance
Small color difference after water-boiling
Good weathering resistance
Good color retention
Suitable for dark color powder coatings
◇ Specifications:
Appearance white or pale yellow transparent granule
Color (50%DMF): max: 3
Acid number(mgKOH/g): 31～34
Softening point(℃): 103～113
Glass transition temp.(℃): ～67
Melting viscosity(200℃, cone/plate, mPa·s): 6000～8000
Reactivity at 180℃(s, 7% TGIC): 180～250
◇ Recommend Formulation:
NH8306—TGIC
| NH8306 | 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:
Available for electrostatic spraying with: 40～70KV
Film thickness: 70～90μm
Degreased cold-rolled steel 0.5mm
◇ Curing Requirement: 200℃×10min
◇ Film Properties:
Gel time(180℃,sec): 250~350
Horizontal flow:(180℃), mm: 22~25
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 specialized to Non-tin (A) ,anti gas burners(G),tribo gun(T) and anti-blooming(F)
The consistency and stability of products are guaranteed through rigorous quality inspection.
Service is the life of enterprise, quality is the base of enterprise.
