Weifang Zhiyuan Plastic Products Factory produces ziplock bags of various specifications (also known as compact bags and zipper bags). It is a self-sealing bag manufacturer with independent research and development and production technology. The products cover various sizes of food ziplock bags and medical bags. Button spare bags, handbags, etc., the product is resistant to extrusion, strong sealing, anti-stretching, tight sealing, printable pattern, brand logo, and support customized on demand.
Ziplock bags are widely used in the packaging of industrial products such as food, clothing, electronic appliances, instrumentation, computers, audio, medical equipment, industrial control chassis, lighting, crafts, glass, ceramics, furniture, hardware, toys, and daily necessities.
The easy way to determine whether a ziplock bag meets national standards is:
1、 From the appearance, there are no bubbles, perforations and cracks, and there are no obvious water marks, clouds and impurities.
2、 test the performance of the zipper chain ribs and groove clutch should not be too loose, do not allow the opening edge tensile deformation, the internal opening tension is significantly greater than the external opening tension is appropriate;
3、The ziplock bag with a length of 0.3-0.6 mm shall have no more than 10 impurities per 1 m2 area, and no more than 3 areas with a dispersion degree of 10 cm*10 cm;
4、Self-sealing bags for food and pharmaceutical packaging must meet the hygiene standards of GBn84 polyethylene molded products;
Self-sealing bags are one of the main products of Zhiyuan Plastics The main production processes can be divided