... . 2,Durability:by ufilizing KYNAR-500resin coating process,results in an effective barrier against corrosion,alkali,UV,sunlight,humidify,salf ... carbon compound core in the panels,which results in an outstanding resistanst property to flame,fore and high temeratures making our panels ... will not crack or break apart on impact,making these panels ideal in high force winds area or sand storm conditions ...