Good Solvent Resistance Isocyanate Resin , Polyester Resin 25kg Transparent

Super Durable Isocyanate Polyester Resin NH7603 with Good Solvent Resistance

◇ Applications:

NH7603 is a hydroxylated polyester resin for polyester/isocyanate powder coating system.

◇ Basic features:

Excellent leveling

Good solvent resistance

◇ Specifications:

Appearance White or pale yellow transparent flake

Color (50%DMF): max: 2

Hydroxyl Value(mg KOH/g): 90～120

Softening point(℃): 101～110

Glass transition temp.(℃): ～59

Melting viscosity(200℃, cone/plate, mPa·s): 4500±1500

Reactivity at 180℃(s, 35% B1530): 160±50

◇ 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

Film thickness: 50～70μm

Degreased cold-rolled steel 0.5mm

◇ Curing Requirement: 200℃×15min

◇ Film Properties:

Gel time(180℃,sec) 200~400

Horizontal flow(180℃),mm 26~30

Gloss(60°): ≥80%

Bending(φ1mm): Pass

Adhesive(1mm,grade): 1

Pencil hardness ≥1H

Direct 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 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.