NH-6353

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NH-6353

NH-6353 is a saturated carboxyl polyester resin for Polyester/Primid powder coating system.

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Technical Indexes

Basic features:

-Suitable for low temperature curing

-Good mechanical properties

-Good weathering resistance

 

Specifications:

 Appearance

 white or light yellow transparent flakes

 Color(50%DMF)

 max:3

 Acid number(mgKOH/g)

 49~55

 Softening point(℃)

 101~111

 Glass transition temp(℃)

 ~55

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

 4500±1000

 Reactivity at 180℃(s,7%T-105)

 130±30

 

Recommend Formulation:

 NH-6353

 T-105

 Filler&Pigment

 Leveling agent

 Benzoin

 701

 703

 558

 42

 380

 8

 4

 4

 4

 

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:150℃*15min

 

Film Properties:

 Gel time(180℃,sec)

 90~150

 Horizontal flow(180℃,mm)

 22~25

 Gloss(60°)

 8%~14%

 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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