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
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