Polyester Resin with Excellent Heat Resistance and Sand Texture

◇ Applications:

NH8307 is a saturated carboxyl polyester resin for polyester/TGIC powder coating system.

◇ Basic features:

Excellent heat resistance

Good leveling

◇ Specifications:

Appearance white or pale yellow transparent flake

Color (50%DMF): max: 2

Acid number(mgKOH/g): 31～34

Softening point(℃): 103～113

Glass transition temp.(℃): ～68

Melting viscosity(200℃, cone/plate, mPa·s): 6500±500

Reactivity at 180℃(s, 7% TGIC): 200～300

◇ Recommend Formulation: NH8307—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) 250~400

Horizontal flow:(180℃), mm: 24~27

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

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

The consistency and stability of products are guaranteed through rigorous quality inspection

Service is the life of enterprise, quality is the base of enterprise.

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