LC-1540 Hardener For Polyurethane Powder Coatings

General DescriptionA hardener for outdoor resistant polyurethane powder coatings.Excellent impact resistance.· Good weather resistance and good flow properties· High Cross-Linking Density with excellent chemical resistanceExtrusion & Application ConditionsExtruder:Lingyu SLJ-20Zone I temp:85~105℃Zone II temp:100~120℃Screw speed:400~500rpmPanel:0.5mm pre-treated cold-rolled steelSpray gun:Lingyu JP-80Voltage:60~90kVCuring cycles:15 min. @ 200℃Packaging· White PE bag, N.W.25kg/bagStorageThe product can be stably stored for at least one year when keptin closed containers in a dry place at temperature below 30℃.Avoid exposure to direct sunlight.Product SpecificationsPropertyRangeTest MethodAppearanceClear flakeVisualNCO content, totalapprox. 13.5%Longcester MethodTg (℃)45~55ISO11357Equivalent weightapprox. 310Melting Range (℃)approx. 70 - 80Non-blocked NCO-contentmax. 2.0ISO 11 909Starting FormulationPropertyRangeLongcester® P 1200300.0LC-154061.0Titanium dioxide150.0LC-88 Flow agent5.0Benzoin3.0Film PropertiesItemResultTest MethodFilm thickness, μmapprox. 60ASTM D1186Gloss @ 60o, %min. 90ASTM D523Direct/reverse impact, inch lbs160/160ASTM D27941/8" Conical mandrelpassASTM D522Adhesion(cross cut)5BASTM D3359Pencil hardness（Mar）HISO 15184-98