Kinte Materials Science and Technology Co.,Ltd
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Super Durable Polyester Resin NH5307 with Excellent Boiling Water Resistance for Architectural Profile
◇ Applications:
NH5307 is a saturated carboxyl 93/7 polyester resin for polyester/TGIC powder coating system.
◇ Basic features:
Excellent anti-yellowing, boiling water resistance
Good mechanical properties
Good storage stability
Outstanding weathering resistance
◇ Specifications:
Appearance white or light yellow transparent granule
Color (50%DMF): max: 2
Acid number(mgKOH/g): 30～36
Softening point(℃): 101～115
Glass transition temp.(℃): ～65
Melting viscosity(200℃, cone/plate, mPa·s): 5000±1500
Reactivity at 180℃(s, 7% TGIC): 180±60
◇ Recommend Formulation: NH5307—TGIC
| NH5307 | 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
Film thickness: 50～100μm
Degreased cold-rolled steel 0.5mm
◇ Curing Requirement: 200℃×15min
◇ Film Properties:
Gel time(180℃,sec) 240~380
Horizontal flow(180℃,mm): 23~28
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)
The consistency and stability of products are guaranteed through rigorous quality inspection.
