NH-6361

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NH-6361

NH-6361 is a saturated carboxyl polyester resin designed for 93:7 Primid XL 552 powder coating to be cured at 160℃.

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Technical Indexes

Basic features:

-High crosslinking density

-Excellent chemical resistance

-Good mechanical properties

 

Specifications:

 Appearance

 White or pale yellow transparent flakes

 Color(50%DMF)

 max:2

 Acid number(mgKOH/g)

 48~53

 Softening point(℃)

95~105

 Glass transition temp(℃)

 ~55

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

 3000±700

 Reactivity at 180℃(s,7%XL-552)

 80±30

 

Recommend Formulation:

 NH-6361

 XL-552

 Filler&Pigment

 Leveling agent

 Benzoin

 701

 703

 558

 42

 380

 8

 3

 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

 50~70μm

 Degreased cold-rolled steel

 0.5mm

 

Curing Requirement:160℃*10min

 

Film Properties:

 Gloss(60°)

 8%~14%

 Gel time(180℃,sec)

 60~90

 Horizontal flow (180℃), mm

 20~25

 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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