Sand Texture Polyester Resin NH8307 with Excellent Heat Resistance

◇ 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)

According to industry statistics, in 2014, KINTE polyester resin output ranked third in the national industry, becoming a well-known brand and technical leader in the field of polyester resin for powder coatings in China.
The market share in Guangdong province exceeds 50%, and the sales volume ranks the top two in China, and is exported to Southeast Asia, the Middle East, Russia and other regions and countries.

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.