There are two types of this kind of bags, one is made by aluminum foil, the other is made by VMPET. Its multilayer structure can protect the product in it from damage caused by static, electromagnetic interference and moisture. Also it can be vacumized. Normally it is used to package machines, electronic components, telecommunication equipments. Trade marks, symbols and pictures can be printed on it. The inner and outer layers both can be made with a surface resistance of 108 - 1011 Ohm. All sizes with flat openning, ziplock, and tridimensionals are available.
