Super Durable Isocyanate Polyester Resin with Good Flowability

◇ Applications:

NH7806 is a saturated hydroxyl-terminated polyester resin designed for polyester / isocyanate powder coating to be cured at 200℃.

◇ Basic features:

Excellent flowability

Good mechanical properties

Good resistance to chemicals

Used for polyurethane powder coating

◇ Specifications:

Appearance pale yellow flake

Color(50%DMF): max:2

Acid number(mgKOH/g): max:8

Hydroxyl value(mgKOH/g): 25～35

Softening point(℃): 103～113

Glass transition temp.( ℃): ～64

Melting viscosity(200℃, cone/plate, mPa·s): 7500±1500

Reactivity at 180℃(s, 13%B1530): 240～400

◇ Recommend Formulation:NH-7806

◇ 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: 50～100μm

Degreased cold-rolled steel 0.5mm

◇ Curing Requirement: 200℃×20min.

◇ Film Properties:

Gel time(180℃,sec) 600~900

Flow(180℃,mm) 28~33

Gloss(60°): ≥85%

Bending(φ1mm): pass

Adhesive(1mm,grade): 0

Pencil hardness: 1H

Impact(50cm): pass

Storage test(40℃,24hr): good

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.

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".