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- [2025-04-28]
What is a multi-layer vacuum inner bag
Multi layer vacuum inner bag is a packaging bag with a multi-layer structure used for vacuum packaging. It is composed of various materials with different functions, aiming to provide good protection and a longer shelf life for packaged items. Here is a detailed introduction about it: 1. Structural composition Outer layer: Generally made of materials such as polyester (PET), which have hig
- [2025-04-22]
In which industries are PE plastic bottles used more
PE plastic bottles have the advantages of chemical corrosion resistance, impact resistance, light weight, easy processing and molding, and relatively low price, so they are widely used in many industries. The following are some industries that use PE plastic bottles more: 1. food and beverage industry Drinking water: common bottled drinking water, whether it is bottled water in large barre
- [2025-04-14]
What is the injection molding process for PP cream cans
The injection molding process of PP cream can is a relatively complex process, mainly including the following key steps: 1. Raw material preparation: Select polypropylene (PP) plastic particles that meet food grade or cosmetic grade standards as raw materials. These particles should have good fluidity, thermal stability, and mechanical properties to ensure smooth molding during the injection mold
- [2025-04-08]
What are the precautions for using PET plastic bottles
In addition to the above mentioned non reusable, high temperature avoidance and aging precautions, the following precautions should be taken when using PET plastic bottles: 1. avoid direct sunlight: direct sunlight for a long time will raise the temperature of PET plastic bottles, accelerate the aging of plastics, and may also lead to deterioration of substances in the bottles. Therefore, it shou
- [2025-03-31]
How to embody the barrier performance of PE plastic bottle
PE plastic bottle is polyethylene plastic bottle. Its barrier performance is mainly reflected in the barrier ability to gas, water vapor and some solutes. The following is a detailed introduction: 1. gas barrier Principle: the molecular structure of PE plastic bottle is relatively compact and has a certain degree of crystallinity. The presence of crystalline regions makes it difficult for
- [2025-03-24]
How to demonstrate the barrier performance of PP cream jar
The barrier performance of PP cream cans is mainly reflected in their ability to block substances such as oxygen, water vapor, and light, as follows: 1. Oxygen barrier Stable molecular structure: PP has a tight molecular structure and high crystallinity, making it difficult for gas molecules to penetrate its molecular gaps. When oxygen molecules attempt to pass through the PP tank wall, t
- [2025-03-10]
Why are PCR regenerated materials used in logistics packaging
PCR (Post Consumer Recycled) recycled materials will be used in logistics packaging, mainly based on considerations of environmental protection, cost, performance, and other aspects, as follows: 1. Environmental factors Reduce waste: The use of PCR recycled materials can reuse plastic and other waste after consumption, reduce the amount of landfill and incineration, lower environmental pre
- [2025-03-04]
Why is the production efficiency of PE plastic bottles so high
The high production efficiency of PE plastic bottles is mainly due to the good characteristics of raw materials, advanced and mature production processes, high degree of equipment automation, and relatively simple product design. The following is a specific introduction: 1. Characteristics of raw materials Good processing performance: PE (polyethylene) plastic has good fluidity and formabi
- [2025-02-25]
Why is it said that the chemical properties of PP cream cans are stable
The chemical stability of PP (polypropylene) cream can is mainly determined by its internal factors such as molecular structure, crystallinity, chemical bond energy, as well as external characteristics such as chemical corrosion resistance, oxidation resistance, and weather resistance. The specific analysis is as follows: 1. Stable molecular structure: PP molecule is a polymer chain formed by the
- [2025-02-18]
Why do face cream cans use PET plastic bottles
The use of PET (polyethylene terephthalate) plastic bottles for face cream cans is mainly due to the following reasons: 1. Good physical properties: PET plastic bottle has high strength and rigidity, can withstand certain pressure and collision, is not easy to deform or crack, and can effectively protect face cream from damage during transportation and storage. At the same time, it also has good
- CHANGSHU SHINE PLASTIC INDUSTRY CO.,LTD Phone：0512-52557888 Mailbox：shenshisuye@163.com Company address：No. 20 Guangyuan Road, South Development Zone, Zhitang Town, Changshu City, Jiangsu Province
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