HH-2585

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HH-2585

HH-2585 is a carboxyl polyester resin designed for 50/50 hybrid powder coating to be cured at 180℃.

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Technical Indexes

Basic features:

-Good chemical performance and storage stability

-Outstanding mechanical properties

-Good leveling

 

Specifications:

 Appearance

 white or light yellow transparent flakes

 Color(50%DMF)

 max:3

 Acid number(mgKOH/g)

 68~75

 Softening point(℃)

 95~108

 Glass transition temp(℃)

 ~57

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

 2000~3500

 Reactivity at 180℃(s,50%Epoxy)

 100~200

 

Recommend Formulation:

 HH-2585

 E12

 Filler&Pigment

 Leveling agent

 Benzoin

leveling additive 701

 300

 300

 383

 8

 4

 5

 

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

 

Film Properties:

 Gel time(180℃,sec)

 100~200

 Horizontal flow(180℃,mm)

 26~29

 Gloss(60°)

 >=90%

 Bending(φ1mm)

 pass

 Adhesive(1mm,grade)

 0

 Pencil hardness

 1H

 Impact(direct,reserve)

 pass 50kg·cm

 Storage test(40℃,24hr)

 good

 

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

 

 

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