Silicone Mobified Polyester painting is changed based on PE material.Silicone is always good at keep the color bright and has excellent heat resistance.Coating with this material has better durability,the corrosion life is up to 10-20 years.So price is higher then PE type.But SMP coating material isn't very good in adhesion and moldability with base steel metal.It's mostly used on building roof and wall of outside,not for repeat process.prepainted galvanized steelProduct nameprepainted galvanized steelPackagedPlastic film, waterproof paper, metal bag, packing tape, wooden or as your requirementSizethickness0.12-1.5mmwidth1250mmweight3-5t,plate can be supplied as your need.Production processuncoiler- sewing machine- tension machine- entry looper-  Caustic degreasing- cleaning- dryer- coater- dryer- coater- dryer- cooler- exit looper- recollerNOTEWelcome to send color sample,we will do it as your need.Packaged details:Steel coil has three layers of packing.Kraft paper is in inside.Water plastic film is in the middle.Galvanized steel sheet is covered outside.All of three are tied by steel strips with lock.And there'll be inner tube to support the coil.Inner tube material can be iron or thick paper.Wood pallet can be chosen.