Although composite bags can make up for the shortcomings of ordinary bags, composite bag manufacturers find that composite bag sealing often has defects. If the composite bag is heat-sealed, if you do not pay attention to these conditions, the sealing will fail or the sealing will not be tight. 1. No preheating In fact, most…
After some food manufacturers have finished producing the product, if they want to realize the long-term preservation of the product or facilitate the transportation of the product for sale, then it is necessary to equip the product with a large number of plastic packaging bags. If there is a demand in this regard, in fact,…
This era wants to develop well. Generally speaking, it is not difficult. Because of the huge market consumption prospects and numerous investment resources, more and more independent entrepreneurs have more development prospects and development opportunities. In recent years, the dark horse brand developed in the form of self-media is very outstanding. Even if it is…
First of all, the main purpose of vacuuming in the design of food packaging bags is to prevent the contact between air and food, slow down the oxidation of food, thereby avoiding the growth of microorganisms and a means of spoiling food. Whether to vacuum depends on the characteristics of the food and the length…
Nowadays in our daily life, packaging bags have involved all aspects of our lives and are often used, especially clothing packaging bags, supermarket shopping bags, PVC bags, gift packaging bags, so how to use plastic packaging bags correctly? First of all, we must know that plastic bags cannot be mixed, because different items must be…
1. The size of custom-made convenient bag is very important The convenience bag is widely used because its size can be customized at will. We can customize the size of the convenience bag according to our own usage. The first consideration of size is thickness. Because thickness determines the load-bearing capacity of the bag, we…
01 How to advertise customized vest bags I don’t know if you have any experience like this. When you see other people’s bags with very attractive products on the road, it’s not easy to take pictures secretly, and you can’t directly go up and ask. You can only stare at it a few more times…
Vacuum packaging bags are really too common in our daily lives. Nowadays, places where cooked food is sold generally use this kind of vacuum packaging bags. Nowadays, there are many brands on the market, so you must choose the material and the product with good sealing effect to use. The reason for using this product…
Vacuum food packaging bags have many advantages. Because of these advantages, vacuum food packaging bags are now widely used in the food packaging industry. Vacuum food packaging bags are very convenient when packaging food, and can be opened conveniently and safely. When we are eating, as long as we open the bag, the food inside…
Aluminum foil packaging bags are also widely used as diaphragms, heat exchange and electrical conductors. They are usually packaged into paper bags for beverages. The thickness of aluminum foil in food packaging bags is only 6.5 microns. The thin aluminum layer helps waterproof, maintain umami, prevent harmful microorganisms, and prevent pollution. Opaque, silver, with anti-gloss,…
01, LDPE, low density polyethylene, high pressure polyethylene, high pressure film The packaging bag made of this material is a little better, the texture of this bag is very good on the hand, and it will feel particularly soft, the flexibility of the packaging bag itself is also very good, especially transparent. If the material…
High-temperature cooking bags are mostly made of high-strength polyester film. Its middle layer is aluminum foil with light-shielding and air-tight properties. Nowadays, the high-temperature cooking sections on the market are mainly three-layer structure, which can not only accept high temperatures. The steaming and cooking of food can also extend the shelf life of the food.…
1. The structure of the equipment high-temperature cooking bag is 2 layers, 3 layers, 4 layers or more. Two of the steamer layers are transparent plastic/modeling, such as pet/cpp or OPA/CPP. The three-layer steamer has PET/OPA/AI/CPP; it has transparent plastic/modeling (such as) and opaque shapes (such as PET/AI/CPP, OPA/AI/CPP). The four-layer hot pack is aluminum…
Aluminum foil packaging bags are different from ordinary plastic bags. They can prevent oxygen from entering the food bag, are waterproof and moisture-proof, and can maintain the taste of food for a long time. Therefore, many nuts, soft cans, dried fruits, cooked foods and other foods tend to use aluminum foil packaging bags. The surface…
Vacuum food packaging bags have many advantages, and precisely because of these advantages, vacuum food packaging bags are now widely used in the food packaging industry. Vacuum food packaging bags are very convenient when packaging food and can be opened conveniently and safely. When we are eating, as long as we open the bag, the…
In fact, kraft packaging bags are hard paper used to hold cement. The texture is tough, the surface is yellow-brown, and the hardness is high. Studies have found that the wood fiber commonly used to make kraft paper bags is relatively long. When cooking wood, it is treated with chemical substances such as caustic soda…
The main factors affecting the transparency of packaging bags are as follows: 1. Dispensing issues Improper mixing procedures will result in insufficient mixing of the main agent and curing agent. There may be “colloidal particles”. 2. The adhesive itself is black The color of the adhesive itself is too dark, with dark yellow, yellowish red,…
When using plastic packaging bags, we need to choose clean and tidy ones. We can also smell the pungent smell of the plastic packaging bag. If the plastic packaging bag has a peculiar smell, it may be due to the use of defective materials. Our use of these products will bring us undesirable effects. Plastic…
Vacuum bags (also called nylon bags) usually have a material structure of PET/PA/PE. According to customer requirements, packaging bags with anti-static function can be made. The product has the characteristics of low (oxygen) gas permeability, good vacuum effect, high transparency, good moisture resistance, high tensile strength and puncture resistance, easy heat sealing, good airtightness, and…
1. Sensory inspection method: non-toxic plastic bags are milky white, translucent or colorless and transparent, flexible, smooth to the touch, and waxy on the surface; toxic plastic bags are turbid or light yellow in color, with stickiness and astringency. 2. Water exploration method: Put the plastic bag into the water and press it into the…
