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The unique four-layer structure of the anti-static plastic bag can generate a magnetic induction effect, protecting the objects inside from the influence of electrostatic fields. Anti-static bags for PCBs use double-layer or four-layer composite materials: (VMPET/CPE or PET/Al/NY/CPE). Anti-static bags for PCBs offer excellent anti-static, anti-microwave radio frequency, and moisture vapor barrier properties, shielding against external electromagnetic wave radiation from personnel and machinery ESD charge and discharge.
2022-12-27
Changzhou plastic bag manufacturer: The choice of plastic bags must be rigorous!
Changzhou plastic bag manufacturer: Since it is a food plastic bag, it will obviously come into direct contact with food, so safety is the key point. We need to ensure that the plastic bags used for food packaging are non-toxic and harmless, that is, safe. Generally speaking, the value of this kind of plastic bag is relatively high. Some unscrupulous merchants may choose some inferior plastic bags in order to save costs. In this case, it is recommended that you do not choose them to avoid affecting your health. Some may be recycled plastic bags, which should not be chosen, as they are rough and pungent.
2022-12-19
How to distinguish the quality of plastic bags in Changzhou?
When it comes to Changzhou plastic bags, we are no strangers. Whether in life or at work, we often come into contact with such packaging bags. Among many different plastic bags, Changzhou plastic bags are widely used, mainly because they have very good sealing performance, good freshness preservation when packaging various products, high transparency, and better aesthetics.
2022-12-07
Changzhou plastic bag manufacturer: What should you pay attention to when buying plastic bags?
Changzhou plastic bag manufacturers: Plastic bags are odorless when they leave the factory. However, some unscrupulous manufacturers, in order to save costs, use waste materials for production. Packaging bags made from these waste materials generally emit a pungent odor, which can easily cause secondary pollution to the packaged products. Therefore, it is important to buy products without any strange smell.
2022-11-24
VCI rust preventive paper manufacturers generally explain the cause of metal rusting based on electrochemical theory. That is, when water, oxygen, and humidity (electrolyte) form on the metal surface, the electron flow of the metal is naturally generated. Through the electrolyte, it flows from the high-energy area (anode) of the metal to the low-energy area (cathode) of the metal, and then back to the high-energy area. This continuous cycle causes the phenomenon of metal rusting.
2022-11-16
Some knowledge points about rust preventive paper, told by VCI rust preventive paper manufacturer
VCI rust preventive paper manufacturers believe that rust preventive paper is a paper material used to prevent metal rust. The base material is usually packaging kraft paper. Rust preventive paper, its carrier is rust preventive base paper, coated with VCI liquid, VCI will continuously and slowly release from the kraft paper in an appropriate space, forming a saturated gas layer in a relatively closed space, thus forming rust prevention protection for metal materials in this environment.
2022-08-12
Introduction to the usage and precautions of VCI anti-rust paper, collect it quickly!
We all know that metal products are easily rusted, especially in industrial production environments. In most industrial environments, there are three main gases that cause corrosion of equipment, parts, hardware tools, and workpieces: acidic gases, alkaline gases, and oxidizing gases. Acidic gases serve as an example in the corrosion of electronic equipment. VCI anti-rust paper is a special anti-rust packaging material that uses special kraft paper (anti-rust base paper) as a carrier and applies different formulations of corrosion inhibitors to the paper. It can also be further processed into special anti-rust paper with other auxiliary functions.
2022-08-02
Advantages of VCI rust preventive paper! Please click!
Among the numerous materials in the packaging industry, VCI rust preventive paper is a high-tech product. Its core technology lies in VCI, a comprehensive technology integrating organic synthesis, physical chemistry, corrosion and protection, metal materials, paper processing, and polymers. Different VCI systems vary greatly in safety, efficiency, environmental protection, and applicability, resulting in a diverse range of products with various functions.
2022-07-25
Can VCI rust preventive paper be reused? Let's find out.
VCI rust preventive paper uses neutral pH pure wood pulp kraft paper, infused with VCI chemical components, and made into sheets or rolls. It can also be coated with a barrier layer, such as wax or polyethylene, to increase protection against moisture, grease/oil, or cloth coatings. Used for metal protection.
2022-07-13
Introduction to the applications of VCI rust preventive paper, come and collect it!
VCI anti-rust paper is a new type of anti-rust packaging material. It is made by coating vapor phase corrosion inhibitor on anti-rust base paper. Vapor phase corrosion inhibitor is a corrosion inhibitor prepared by special synthesis technology and compounds.
2022-07-04
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