NH-6563

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NH-6563

NH-6563 is a saturated carboxyl polyester resin for polyester/primid powder coating system at the ratio 95:5.

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Technical Indexes

Basic features:

-Good leveling

-Excellent mechanical properties

-Good anti-yellowing

-Suitable for low temperature curing at 160℃

 

Specifications:

 Appearance

 white or pale yellow transparent flake

 Color(50%DMF)

 max:2

 Acid number(mgKOH/g)

 30~34

 Softening point(℃)

 95~105

 Glass transition temp(℃)

 ~58

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

 3800±700

 Reactivity at 180℃(s,5% T105)

 180±30

 

Recommend Formulation:

 NH-6563

 XL-552

 Filler&Pigment

 Flow agent

 Benzoin

 701

 703

 566

 34

 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:160℃*15min

 

Film Properties:

 Gloss(60°)

 >=85%

 Gel time(180℃,sec)

 150~270

 Flow(180℃,mm)

 25~29

 Bending(φ2mm)

 pass

 Adhesive(1mm,grade)

 0

 Pencil hardness

 >=1H

 Impact(50cm)

 pass 50kg·cm

 

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

 

 

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