There are four PE stretch film plastic packaging bag
PE stretch film has a strong toughness, high elasticity, laceration resistant, high viscosity, thin thickness, cold resistant, heat resistant, high voltage, dustproof, waterproof, have single and double stick, etc.When use can save material, save labor, save time, widely used in papermaking, logistics, chemical, plastic raw materials, building materials, food, glass, etc.PE stretch film plastic bags according to the system can be divided into three edge-sealing bag way, in stereoscopic bottom sealing and sealing and crisps 4 class.
1. Three edge sealing is around the bag sealing, positive and back size are finished size, has a certain integral feeling, is not bound to design and before and after the design has a certain continuity.Due to the positive and the back size is consistent, can design a positive first, let the back and front echo.Plate is, back to arrange in the same registering the roller.
2. The bottom seal is sealed at the back, front size for finished product size, the back into two equal parts, and its width is equal to the sum of the width of the front, is on the back, when the design is usually will unfold, carries on the integration of design, and add 1 cm around each sealing side, is, back at the same registering the roller.
3. The seal is at the end of the seal in stereo, on the basis of the stereotactic edge on both sides, back, side 3 surface also are in the same registering the roller.
4. PE stretch film materials due to the limitation of printed materials, its positive and negative must be designed separately, separate plate, not appear in the same registering the roller at the same time.