Saturated carboxylated polyester resin

Xianjing P1501-2Saturated carboxylated polyester resinGeneral Description Xianjing P1501-2is a medium reactivity polyester resin, designedfor 50:50 hybrid powder coatings. Coatings based on it exhibit:· Very good storage stability · Good flow · Outstanding mechanical properties · Good yellowing resistanceProduct Specifications Property Range Test Method AppearancePale granulesVisualAcid value, mgKOH/g68 78ASTM D1639Viscosity @ 200 °C , P25-55ASTM D4287Gardner Color(50% solution)max.3ASTM D1544Other Data Property Range Test Method Glass transition temp.,°Capprox. 53DSCPackaging · White PE bag, N.W.25kg/bag, 1000kg/pallet. · Big bags 750 kg. Storage The product can be stably stored for at least one year when keptin closed containers in a dry place at temperature below 30°C .Avoid exposure to direct sunlight.Starting Formulation Component Weight% P1601-2 39.0 Epoxy Resin1) 26.0 Titanium dioxide2) 33.5 Flow control agent3) 1.0 Benzoin 0.5 1) DER663U, DOW Chemicals,or CYD-014 Yueyang 2) Ti-pure®R-960, DuPont 3) Resiflow PV 88, Estron, BYK® 366P,BYK Extrusion & Application Conditions Extruder CHAOYUANSLJ-20 Zone I temp 85 105°C Zone II temp 100 120°C Screw speed 400 500rpm Panel 0.5mm pre-treated cold-rolled steel Spray gun CHAOYUANIP-80 Voltage 60 90kV Curing cycles 20min.@180°C Film Properties Test item ResultTest Method Film thickness,μm Approx.60ASTM D1186 Gloss@60°,% Min.90ASTM D 523 Direct/reverse impact, inch lbs 160/160ASTM D2794 1/8”Conical mandrel passASTM D522 Adhesion(cross cut) 5BASTM D3359 Pencil hardness(Mar) HISO15184-98