When using PE bags (high-pressure bags and low-pressure bags), the following precautions should be taken to ensure that the bags meet the requirements and have good performance:

1、 Choose a reputable factory

The production of plastic bags has a certain impact on the environment, so it is particularly important to choose factories with production qualifications and good reputation. Especially for food plastic bags, it is necessary to ensure that the factory has relevant certifications and inspection reports to ensure the safety and compliance of the bags.

2、 Material selection

Material type: The main materials for PE bags include polyethylene (PE) and polypropylene (PP). Among them, PE material has the characteristics of non-toxic environmental protection, good waterproof, dustproof and moisture-proof performance, and is suitable for food packaging. According to specific requirements, different thicknesses of PE materials can be selected.

Material quality: Ensure that the materials used are brand new and avoid using recycled materials or impurities to ensure the quality and durability of the bag.

Material characteristics: High pressure bags and low-pressure bags differ in material and performance. High pressure bags have good transparency, smooth surface, and strong toughness, making them suitable for occasions such as food packaging where product appearance needs to be displayed; Low pressure bags are commonly used for inner lining, semi transparent, with small dots on the surface and a slightly hard feel, suitable for box lining, supermarket shopping bags, etc.

3、 Selection of specifications and dimensions

Choose appropriate specifications and sizes based on actual needs. Different purposes and item sizes require bags of different sizes. For example, food packaging may require bags that are more transparent and appropriately sized, while garbage bags require larger and stronger bags.

Clear communication with the factory is required regarding size requirements, including parameters such as bag length, width, thickness, etc., and ensuring that the dimensions comply with relevant standards and regulatory requirements.

4、 Printing and Design

If necessary, patterns, text, and other information can be printed on the PE bag. During production, it is necessary to clarify printing requirements with the factory, including printing content, color, position, etc.

When designing patterns, it is important to consider the purpose and target audience of the bag, and choose suitable patterns and design styles. At the same time, it is necessary to ensure that the printed content is clear, accurate, and in compliance with relevant regulatory requirements.

5、 Quality control and inspection

During the process, quality control and inspection should be carried out on the bags to ensure that they comply with relevant standards and regulatory requirements. This includes checking the appearance, size, printing quality, load-bearing capacity, and other aspects of the bag.

If quality problems are found, it is necessary to communicate with the factory in a timely manner and negotiate solutions to ensure that the bags can meet the usage requirements.