Powder coating resins for TGIC cure excellent flexibility blending resistance NH8305

Applications:

NH8305 is a saturated carboxyl polyester resin for polyester/TGIC powder coating system.

Basic features:

Excellent toughness and cold resistance

Excellent impact damping resistance and storage stability

 Specifications:

Appearance white or pale yellow transparent flake

Color (50%DMF): max: 2

Acid number(mgKOH/g): 30～36

Softening point(℃): 103～113

Glass transition temp.(℃): ～60

Melting viscosity(200℃, cone/plate, mPa·s): 5000～8000

Reactivity at 180℃(s, 7% TGIC): 130±40

 Recommend Formulation:

NH8305—TGIC

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

Film thickness: 70～90μm

Degreased cold-rolled steel 0.5mm

Curing Requirement: 200℃×10min

Film Properties:

Gel time(180℃,sec) 150~300

Horizontal flow:(180℃), mm: 23~27

Gloss(60°): ≥88%

Bending(φ1mm): Pass

Adhesive(1mm,grade): 0

Pencil hardness: ≥1H

Impact (50cm): pass

 Packaging:

PE bags, N.W. 25KG±0.1KG / bag

We adhere to the quality concept of "quality is the life of the enterprise", and comprehensively provide customers with one-stop solutions of standards, technical diagnosis and service. 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".