Multifunctional Epoxy Resin And Polyester Resin 50/50 For Bonding

Epoxy&Polyester Resin for bonding metallic powder paint

◇ Applications:

HH2582 is a carboxyl polyester resin designed for 50/50 hybrid powder coatings to be cured at 180℃.

Advantages of powder coatings

1. Health and environmental protection

2. Convenient transportation and storage

3. No preservative is required

4. No paint smell

◇ Basic features:

Excellent mechanical properties

Excellent chemical performance

Good leveling

Good storage stability

◇ Specifications:

Appearance white or light yellow transparent flakes

Color(50%DMF) max:3

Acid number(mgKOH/g): 65～75

Softening point(℃) 97～107

Glass transition temp.( ℃) ～58

Melting viscosity(200℃, cone/plate, mPa·s): 2700±500

Reactivity at 180℃(s, 50% Epoxy): 170±25

◇ Recommend Formulation:HH-2582—E12

◇ Extrusion Condition:

Two-screw extruder

Zone I: 90～110℃ Zone II: 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: 180℃×15min or 200℃×10min

◇ Film Properties:

Gel time(180℃,sec): 200~300

Horizontal flow:(180℃),mm: 25~28

Gloss(60°): ≥90%

Bending(φ1mm): pass

Adhesive(1mm,grade): 0

Pencil hardness: 1H

Impact(direct, reserve): pass 50kg·cm

Remarks:all the polyester resins could be customizes to Non-tin (A) ,anti gas burners(G),tribo gun(T) and anti-blooming(F)