Primid Polyester Resin NH6485 for Heat Transfer HAA Type Powder Coating 

◇ Applications:

NH-6485 is a saturated carboxyl polyester resin for Polyester/Primid powder coating system.

Suitable for heat transfer powder coatings.

◇ Basic features:

Excellent mechanical properties

Excellent flowing

Good for heat tranfer printing

◇ Specifications:

Appearance white or light yellow transparent flakes

Color(50%DMF): max:2

Acid number(mgKOH/g): 49～55

Softening point(℃): 101～1-1

Glass transition temp.( ℃): ～55

Melting viscosity(200℃, cone/plate, mPa·s): 3000±500

Reactivity at 180℃(s, 6% T-105): 150±30

◇ Recommend Formulation:

◇ 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: 180℃×15min.

Heat transfer printing time: 180℃×2min.

◇ Film Properties:

Gel time(180℃,sec) 100~200

Horizontal flow(180℃,mm): 26~28

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 customizes to Non-tin (A) ,anti gas burners(G),tribo gun(T) and anti-blooming(F)