LC-552 Hydroxyalkylamide Crosslinker

General DescriptionLC-552 is a widely used in exterior polyester powder coatings.Excellent color stability.· Molecular Formula:C14H28N2O6· Molecular Weight:320· Proven exterior durability in florida· No hazard labelling requiredExtrusion & Application ConditionsExtruder:Lingyu SLJ-20Zone I temp:85~105℃Zone II temp:110~125℃Screw speed:400~500rpmPanel:0.5mm pre-treated cold-rolled steelSpray gun:Lingyu JP-80Voltage:60~90kVCuring cycles:15 min. @ 180℃Packaging· White PE bag, N.W.25kg/bagStorageThe product can be stably stored for at least one year when kept in closed containers in a dry place at temperature below 30℃.Avoid exposure to direct sunlight.Product SpecificationsPropertyRangeTest MethodAppearanceWhite powderVisualHydrpoxyl number [mgKOH/g]550~650ISO 3001Melting Range (℃)100~110ISO11357-1Water content<1.0%Longcai methodStarting FormulationPropertyRangeLongcester® P 8518300.0LC-55215.8Titanium dioxide150.0LC-88 Flow agent5.0Benzoin3.0Film PropertiesItemResultTest MethodFilm thickness, μmapprox. 60ASTM D1186Gloss @ 60o, %min. 85ASTM D523Direct/reverse impact, inch lbs160/160ASTM D27941/8" Conical mandrelpassASTM D522Adhesion(cross cut)5BASTM D3359Pencil hardness（Mar）HISO 15184-98