standardJIS EN GBfinishingHigh grossynamePPGIweightthickness0.12-1.5mmGradeGalvanized steel coilwidth300-1250mmmaterialGalvanized steel coilSize of zinc flowerProduction processPayoffreel.shear,Website:http://www.cnhousesteel.com,welder,entrylooper,pertreatment ,dryer,coater,cooler,exit looper,recollerFor primer coating,epoxy resin is a good choice.But if flexibility or UV-resistant has to be considered,polyurethane primer coating will be better.For back coating,please choose 2/2(two coating and 2 baking)process structure.there will be one layer primer coating and one layer finished coating.If for sandwich panel,an excellent corrosion resistance of epoxy resin material will be added on the back of steel.At present there are still many features of painted steel, painted as anti-bacterial, anti-static painted, painted insulation, self-cleaning pre-painted and so on.Please choose the suitable one with your need.ItemTest MethodTest Resultcross cut test100/100 taping testgoodPencil hardness test45°,one hour and overgoodBending test180°*3TgoodImpact test500g*12,7mp*500mhgoodSalt water spray test5% Nacl,35°500hours,goodResistance to chemical5%H2SO4*5 hours5%Naoh*5hoursGoodgoodAccelerated weathering testWather-o-meter750 hoursgoodFilm cardness testM.E.K Rubbing40timesgood


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