First-rate Economical Polyester Resin NH9306 with Excellent Mechanical Property and Weathering Resistance

◇ Applications:

NH-9306 is a carboxyl polyester resin designed for 93/7 polyester/TGIC powder coatings to be cured at 200℃.

◇ Basic features:

Excellent weathering resistance

Good storage stability

Improved mechanical properties compared with NH9307

◇ Specifications:

Appearance: light yellow or white transparent flakes

Color(50%DMF) max:3

Acid number(mgKOH/g): 30-36

Softening point(℃): 101～113

Glass transition temp.( ℃): ～62

Melting viscosity(mPa.s200℃): 5000±1500

Reactivity at 180℃(s, 7% TGIC): 180±60

◇ Recommend Formulation:NH9306—TGIC

◇ Extrusion Condition:

Two-screw extruder

Zone I: 90～110℃ Zone II: 110～120℃

Speed of revolution: 500-1200 rpm

Fineness of powder: ＜100μm

◇ Application Condition:

Electrostatic spraying with: 40～70KV

Degreased cold-rolled steel: 0.5mm

Film thickness: 50～70μm

◇ Curing Requirement: 200℃×15 min

◇ Film Properties:

Gel time (180℃, s): 200-350

Flow(180℃,mm): 24~28

Gloss(60°): ≥85%

Adhesive(1mm,grade): 0

Pencil hardness: ≥1H

Bending (φ1mm): Pass

Impact: pass 50 kg·cm

◇ 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)

Kinte has domestic first-class polymer material R & D and testing equipment. As an industry central enterprise integrating the advantages of powder, liquid coating and resin industry chain in China, Optimus materials shoulders the important task of national technological innovation, energy conservation and emission reduction and environmental friendliness. It has successively undertaken more than 40 scientific and technological projects of the Ministry of science and technology, the Commission of industry and information technology and provincial and urban areas, won more than 30 national provincial and urban science and technology awards, and now has more than 50 authorized invention patents.