... Coil ,Galvalume Steel CoilHot Dipped Galvalume Steel CoilAluminium Zinc Alloy Coated Steel Coil ,GalvalumeSteel Grde :SGCC ,SPCC ,D51D ,D54D1.Thickness ... 1T-2TMek RESISTANCE:MORE THAN 100Bottom side aluminim sheet is coated with protective polyester material ,thickness more than 6 microFeatureLight ... the followA:provide one sample colourB:panton or ral code High quality Color coated aluminium coil