1. Structures: NY/AL/VC, ordinary thickness 0.10mm, 205~250g per square meter. 2. Characters: At first PVC hard chips for solid medicines form the blister by heat forming, after filling drugs and then be sealed with aluminum foil to shape packing of aluminum-plastic structure, and then shape the cold-forming compound aluminum coldly to from the shield of PVC hard chips, and then is heatedly sealed with PVC hard chips, and then is heatedly sealed with PVC hard chips to form the aluminum-plastic-aluminum structure packing, but the cold-forming compound aluminum hard chips don't contact foods or drugs. 3. Main applications: It can be used as the high-density packing materials for troches, pills, powers, suppositories and capsules and etc.