NH-3295H

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NH-3295H

NH-3295H is a saturated carboxyl polyester resin for polyester/TGIC powder coating system at the ratio 92/8.Suitable for heat transfer powder coating with clear transfer pictures.

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Technical Indexes

Basic features:

-High TG

-Good leveling

-Good storage stability and weathering resistance 

Specifications:

 Appearance

 white or pale yellow transparent flakes

 Color(50%DMF)

 max:3

 Acid number(mgKOH/g)

 41~45

 Softening point(℃)

 105~115

 Glass transition temp(℃)

 ~69

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

 4400~5600

 Reactivity at 180℃(s,7% TGIC)

 160~280

 

Recommend Formulation:

 NH-3295H

 TGIC

 Filler&Pigment

 Leveling

 Benzoin

 701

 558

 48

 383

 8

 4

 5

 

Extrusion Condition:Two-screw estruder

 Zone Ⅰ

 90~110℃

 ZoneⅡ

 110~120℃

 Speed of revolution

 500~1200rpm

 Fineness of powder

 <100μm

 

Application Condition:

 Film thickness

 50~70μm

 Degreased cold-rolled steel

 0.5mm

Electrostatic spraying with

 40-70KV

 

Curing Requirement:200℃*10min

 

Film Properties:

 Gloss(60°)

 >=85%

 Gel time(180℃,sec)

 240~360

 Horizontal flow:(180℃),mm

 25~30

 Bending(φ1mm)

 pass

 Adhesive(1mm,grade)

 0

 Pencil hardness

 >=1H

 Impact(50cm)

 pass

 

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

 

 

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