HH-2583

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HH-2583

HH-2583 is a carboxyl polyester resin designed for 50/50 hybrid powder coating with low gloss.

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Technical Indexes

Basic features:

-Good storage stability

-Excellent extinction performance

-Good mechanical properties

-No suitable for high gloss coating

 

Specifications:

 Appearance

 white or light yellow transparent flakes

 Color(50%DMF)

 max:3

 Acid number(mgKOH/g)

 69~75

 Softening point(℃)

 93~103

 Glass transition temp(℃)

 ~53

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

 3500~5500

 Reactivity at 180℃(s,50%Epoxy)

 150~250

 

Recommend Formulation:

 HH-2583

 E12

 Filler&Pigment

 Leveling agent

 Benzoin

Carbon black

Matting agent

 270

 270

 384

 10

 4

 6

 48

 

Extrusion Condition:Two-screw extruder

 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 or 200℃*20min

 

Film Properties:

 Gel time(180℃,sec)

 50~150

 Horizontal flow(180℃,mm)

 20~24

 Gloss(60°)

 <=10%

 Bending(φ1mm)

 pass

 Adhesive(1mm,grade)

 0

 Pencil hardness

 1H

 Impact(50cm)

 +50,-40

 

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

 

 

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