NH-6485

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NH-6485

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

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Technical Indexes

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(℃)

101~111

 Glass transition temp(℃)

 ~55

 Melting viscosity(200℃,cone/plate,mPa·s)

 3000±500

 Reactivity at 180℃(s,6%T-105)

 150±30

 

Recommend Formulation:

 NH-6485

 T-105

 TiO2

 BaSO4

 Leveling agent

 Benzoin

 701  703  4110

 564

 36

 200

180

 8

 4

 4

 4

 -

 564

 36

 -

 356

 8

 4

 6

 4

 22

 

Extrusion Condition:Two-screw estruder

 Zone Ⅰ

 90~110℃

 ZoneⅡ

 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(φ2mm)

 pass

 Adhesive(1mm,grade)

 0

 Pencil hardness

 >=1H

 Impact(50cm)

 pass

 

Packaging:PE bags, N.W. 25KG±0.1KG / bag

 

 

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