... .size: 0.6-1.5m x 1-6m Perforated metal meshPerforated Metal is made of high quality Stainless Steel ,aluminum,galvanized ... coil after being perforated on the digital control machines. Perforated Metal is used in a variety of corrosive atmospheres; its ... be used with advantage in many situations, for instance when requiring sound reduction, weight saving, air control, filtering, a decorative surface, ...