KINTE MATERIALS SCIENCE AND TECHNOLOGY CO., LTD.

◇ Applications:
NH-9307 is a carboxyl polyester resin designed for 93/7 polyester/TGIC powder
coatings to be cured at 200℃. ◇ Basic features:
Excellent weathering resistance
Excellent anti-yellowing and water boiling resistance
Good mechanical properties
Good storage stability
◇ Specifications:
Appearance: light yellow or white transparent flakes
Color(50%DMF) max:2
Acid number(mgKOH/g): 30-36
Softening point(℃): 101～115
Glass transition temp.( ℃): ～65
Melting viscosity(mPa.s200℃): 5000±1500
Reactivity at 180℃(s, 7% TGIC): 130±40
◇ 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℃×10 min
◇ Film Properties:
Gel time (180℃, s): 100-350
Horizontal flow(180℃,mm): 21~27
Gloss（60°）： ≥85%
Adhesive（1mm,grade）： 0
Pencil hardness: ≥1H
Bending （φ1mm）： Pass
Impact（direct）： pass 40 kg·cm
◇ Packaging:
PE bags, N.W. 25KG±0.1KG / bag