Polyester Resin HH-2783

Applications:

HH2783 is a carboxyl polyester resin designed for 70/30 hybrid powder coatings.

 Basic features:

Excellent mechanical properties

Good leveling

Good comprehensive performance

Specifications:

Appearance: White or light yellow transparent flakes

Color(50%DMF) max:2

Acid number(mgKOH/g): 29～35

Softening point(℃): 98～110

Glass transition temp.( ℃): ～57

Melting viscosity(200℃, cone/plate, mPa·s): 5500±1000

Reactivity at 180℃(s, 30% Epoxy): 240±60

 Recommend Formulation:

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.

Film Properties:

Gel time(180℃,sec) 180~300

Horizontal flow(180℃,mm): 24-27

Gloss(60°): ≥85%

Bending(φ1mm): pass

Adhesive(1mm,grade): 0

Pencil hardness: ≥1H

Impact (50cm) pass

 Packaging:

PE bags, N.W. 25KG±0.1KG / bag

Kinte’s product quality and stability are respected by customers. Kinte powder and liquid coating were successively rated as "famous brand products of Guangdong Province".

We will continue to uphold the business philosophy of "quality is the life of the enterprise, adhere to the first-class technology, first-class quality, first-class cost and first-class brand", provide all-round services and solutions for customers at home and abroad, and create a better future.