Plastic bottles should pay attention to the following aspects when buying

1. Plastic bottle wall thickness is uniform, the most concentrated part of the consumer attention.

The printed exterior should be flat and continuous, and if the liquid plastic bottle contains a handle, groove, reinforced rib and other structures.

2. Plastic bottle printing surface, design should pay attention to not cause inconvenience to printing operations. The patch surface should be leveled. Can be designed on the outside of the plastic bottle a "box" so that the label is accurately positioned,

3. When the plastic bottle appearance is labeled, it does not produce movement, such as the middle of the plastic bottle is relatively thin.

4. Change the appearance of plastic bottles, increase the appearance of plastic bottles of the circular grooves or bumps, can improve the stiffness and bendability of plastic bottles.

Vertical grooves or reinforcements eliminate the offset, sagging or deformation of plastic bottles under temporary loads. If the material is high density polyethylene or polypropylene,

5. When designing extruded plastic bottles, the cross-section of the plastic bottle should be rectangular or oval, for the material is low density polyethylene or other flexible plastic bottles, the cross-section of the cross-section is good for round, so that the contents are easily extruded from inside the plastic bottle. 6. When blowmolding molding, always tend to harden the site first. So the wall thickness of the department is also larger. Edge and corner site, the last contact of the part of the type billet blowing, the wall thickness of the part bit is smaller. Therefore, the edges and corners of plastic bottles should be designed into rounded corners.