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How to test the airtightness of self-sealing bags?
Self-sealing bags can be used as inner and outer packaging for various small and medium-sized items (decorations, hardware, toys). They are made of food-grade stainless steel and can store various snacks, tea, seafood, etc. They are waterproof, odor-proof, moisture-proof, and insect-proof, preventing items from scattering; self-sealing bags can also be used to package clothing and other daily necessities. Anti-static self-sealing bags can be produced by adding anti-static regenerant during the film blowing process, generally used in the electronics industry.
2021-05-04
What are the different types of self-sealing bags?
When we buy food from grocery stores, they should put it in packaging bags. If self-sealing bags are chosen, the food will last longer, and the well-sealed packaging can also prevent food contamination, so many people now use self-sealing bags to package food. This type of packaging bag has many names; it can be called a sealing bag or a self-sealing bag. When using a sealing pad, it can be reused multiple times. As long as there is a packaging bag and a sealing effect, most people will reuse the packaging bag to hold things.
2021-04-19
What are the requirements for VCI anti-rust bag packaging?
After using rust preventive paper and VCI rust preventive bags, there is no need to apply rust preventive oil to the packaging materials. The working environment is clean, and there is no need for painting and degreasing processes, saving investment, labor costs, and a lot of time, making it more economical. Compared with vacuum packaging, rust preventive paper and rust preventive bag packaging materials are low in cost, simple in packaging method, similar in effect, environmentally friendly, and pollution-free. Rust preventive paper is simple to use, clean to pack, and convenient. So, what are the requirements for VCI rust preventive bag packaging?
2021-04-07
Why are flat bottom bags becoming increasingly popular?
The main component of plastic in a square-bottomed bag is a polymer (or synthetic resin). To improve the properties of plastics, various auxiliary materials such as fillers, plasticizers, lubricants, stabilizers, colorants, etc., should be added to the polymer to meet people's requirements for plastics.
2021-03-22
What do you know about square-bottom bags?
A square-bottom bag is a bag that appears square from the outside, and its bottom is also square. Although it is soft packaging, it still maintains its shape after holding the product, making the entire bag look three-dimensional and beautiful. The name of the square-bottom bag comes from its square bottom. It unfolds like a cardboard box with different lengths, widths, and heights, but its softness is different from that of a cardboard box. Square-bottom bags need to be customized according to the different specifications and sizes of the products to be packaged.
2021-03-05
Applications of EPE pearl cotton
EPE pearl cotton is die-cut into special shapes, and the colors include white, red, blue, black, etc. The edge hardness of the pearl cotton sheet is generally between 20-40 degrees. Different hardness can be selected according to different packaging products, which can effectively protect the products.
2021-02-18
What are the characteristics of EPE pearl cotton?
EPE pearl cotton has good elasticity and cushioning properties, low thermal conductivity and excellent insulation performance, and is a corrosion-resistant material that is not corroded by various drugs. It can be processed by crushing, bonding, extrusion, vacuum molding, compression molding, etc. The foam material with fine bubbles has a smooth appearance, can be colored, and has a beautiful effect.
2021-02-03
Manufacturing requirements for PE plastic bags
Plastic packaging bags are made from plastic and are used to package a variety of items in daily life. They are widely used in daily life and industrial production, but this convenience has brought about serious pollution. Commonly used PE plastic bags are made of non-toxic polyethylene film and can be used to hold food.
2021-01-19
What should be noted when customizing tank tops?
Due to the high demand and strong liquidity of supermarket vest bags, customized supermarket vest bags are very popular. When choosing custom plastic vest bags, some issues should be considered in advance. Understanding these aspects will help make better choices in the future. Now, let's introduce the basic requirements for custom vest bags.
2021-01-06
What are the functions of a vest bag? What should be paid attention to when using it?
The main function of vacuum bags is to remove oxygen and prevent food spoilage. The principle is relatively simple: food spoilage is mainly caused by the activities of microorganisms, and most microorganisms (such as molds and yeasts) require oxygen to survive. In vacuum packaging, this principle is used to remove oxygen from the packaging bag and food cells, thereby depriving microorganisms of their survival environment.
2020-12-25
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