4*0.3 mm Aluminum Composite Curtain Wall Materials with Competitive Price

 Aluminum composite curtain wall materials with competitive price  DescriptionTest standardPVDFThickness of coatingPVDF paint>=25um28um to 32umCoating flexibility (T-bend)PVDF paint≥2T3TColor differentΔE=HBChemical resistance5%HCI or 5% NaOH test in 24 hours -No change;ASTM D1308No changeCoating adhesion>=1grade for 10*10mm2 gridding test1gradeResist solventNo change for 200 times(MEK)No changeBoiling water resistanceCoating no tear off for 2 hoursNo TEAR OFFPeeling strength/stripping strengthAverage >=7N/mm of 180oc peel off for panel with 0.5mm alu.skin7N/mmImpact test for paint50KG.cm impact-paint no split for panelNo splitAbrasion resistance (L/Mil)ASTM D96844Temperature resistance-40ºC to +80ºC temperature without change of color difference and paint peel off,peeling strength average dropprate