Saturated carboxylated polyester resin

Xianjing P1501-3Saturated carboxylated polyester resinGeneral Description Xianjing P1501-3 is 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 PropertyRangeTest MethodAppearancePale granulesVisualAcid value, mgKOH/g65 75ASTM D1639Viscosity @ 200°C ,mPa.s6000 10000ASTM D4287Gardner Color(50% solution)Max.3ASTM D1544softening point,°C95 100ball and ring methodOther Data PropertyRangeTest MethodGlass 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 ComponentWeight%P1501-332.5Epoxy Resin1)32.5Titanium dioxide2)33.5Flow control agent3)1.0Benzoin0.51) DER663U,DOW Chemicals,orCYD-014 Yueyang 2) Ti-pure®R-706, DuPont 3) Resiflow PV 88, Estron,Byk 366P,BYK Extrusion & Application Conditions Extruder SLJ-20 Zone I temp. 85 105°C Zone II temp 100 120°C Screw speed 400 500rpm Panel 0.5 mm pre-treated cold-rolled steel Spray gun Voltage 60-90Kv Curing cycles 15min.@180°C;10 min.@200°C Film Properties Test item ResultTest Method Film thickness,μm Approx.60ASTM D1186 Gloss@60°,% Min.90GB/T9754-88 Direct/reverse impact, inch lbs 50/50GB/T1732-93 1/8”Conical mandrel Max.3GB/T6742-86 Adhesion(cross cut) 0 1GB/T9286-98 Pencil hardness(Mar) HISO15184-98