90/10 TGIC Cure Polyester Resin for High Gloss and Durable Powder Coating

◇ Applications:

NH3005 is a saturated carboxyl polyester resin for applications of polyester/TGIC powder coating system at the ratio 90/10.

◇ Basic features:

Excellent leveling

High Gloss 

Good mechanical properties & weatherability

Suitable for heat transfer printing powder coatings

◇ Specifications:

Appearance: white or light yellow transparent flakes

Color(50%DMF): max:3

Acid number(mgKOH/g): 50～55

Softening point(℃) 103～113

Glass transition temp.( ℃) ～64

Melting viscosity(200℃, cone/plate, mPa·s): 2200±500

Reactivity at 180℃(s, 10% TGIC) 220±60

◇ Recommend Formulation:NH3005—TGIC

◇ Extrusion Condition:

Two-screw extruder

Zone I: 90～110℃   Zone II: 110～120℃

Speed of revolution: 500～1200rpm

Fineness of powder: ＜100μm

◇ Application Condition:

Coating film thickness: 50～100μm

Degreased cold-rolled steel 0.5mm

◇ Curing Requirement:  200℃×10min

◇ Film Properties:

Gel time(180℃, sec) :240~360

Horizontal flow(180℃, mm): 26-31

Gloss (60°): 85% min

Bending(φ1mm): pass

Adhesive(1mm,grade): 0

Pencil hardness: 1H

Impact(direct,reserve): pass 50kg·cm

◇ Packaging:

PE bags, N.W. 25KG±0.1KG / bag

Remarks:all the polyester resins could be customized to Non-tin (A) ,anti gas burners(G),tribo gun(T) and anti-blooming(F)

The consistency and stability of products are guaranteed through strrict quality inspection.