Resins

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 NH-9306 TGIC Filler ＆ pigment Leveling agent Benzoin 200 15 140 2.4 1.2 ◇ 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