HAA Low Temperature 155℃ Fast Curing and Great Weatherability Polyester Resin NH6566

◇ Applications:

NH6566 is a saturated carboxyl polyester resin for polyester/primid powder coating system at the ratio 95:5. It can cure rapidly at low temperature

◇ Basic features:

Low temperature curing

Good mechanical properties

Good weathering resistance

◇ Specifications:

Appearance: white or pale yellow transparent flakes

Color (50%DMF): max: 3

Acid number(mgKOH/g): 32～38

Softening point(℃): 100～110

Glass transition temp.(℃): ～57

Melting viscosity(200℃, cone/plate, mPa·s): 4600±1000

Reactivity at 180℃(s, 5% T105): 120~300

◇ Recommend Formulation: NH6566—T105

◇ 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: 60～80μm

Degreased cold-rolled steel 0.5mm

◇ Curing Requirement: 155℃×15min.

◇ Film Properties:

Gel time(180℃,sec) 90~300

Flow(180℃,mm): 22~28

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)

We ensure the quality and stability of products through strict QC.
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