Kinte Materials Science and Technology Co.,Ltd
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Super Durable Isocyanate Polyester Resin with Good Flowability
◇ Applications:
NH7806 is a saturated hydroxyl-terminated polyester resin designed for polyester / isocyanate powder coating to be cured at 200℃.
◇ Basic features:
Excellent flowability
Good mechanical properties
Good resistance to chemicals
Used for polyurethane powder coating
◇ Specifications:
Appearance pale yellow flake
Color(50%DMF): max:2
Acid number(mgKOH/g): max:8
Hydroxyl value(mgKOH/g): 25～35
Softening point(℃): 103～113
Glass transition temp.( ℃): ～64
Melting viscosity(200℃, cone/plate, mPa·s): 7500±1500
Reactivity at 180℃(s, 13%B1530): 240～400
◇ Recommend Formulation:NH-7806
| NH-7806 | B1530 | Filler ＆ pigment | Leveling agent | Benzion |
| 200 | 30 | 125 | 4.5 | 2.5 |
◇ 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℃×20min.
◇ Film Properties:
Gel time(180℃,sec) 600~900
Flow(180℃,mm) 28~33
Gloss(60°): ≥85%
Bending(φ1mm): pass
Adhesive(1mm,grade): 0
Pencil hardness: 1H
Impact(50cm): pass
Storage test(40℃,24hr): good
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
Service is the life of enterprise, quality is the base of enterprise.
Kinte’s product quality and stability are respected by customers. Kinte powder and liquid coating were successively rated as "famous brand products of Guangdong Province".
