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Coffee is very common in life, and it is the most popular drink in the world. Coffee contains a small amount of caffeine, which is a magical ingredient that can make people full of energy at work and prevent drowsiness. You may notice a white or transparent round valve on the coffee bag and wonder what they are used for when you are buying a bag of coffee beans. The coffee bags need these small exhaust valves to keep the coffee beans or coffee powder fresh and maintain the original aroma of coffee.

We are specialized in making and supplying a wide variety of food packaging products for more than 25 years. The microwave popcorn paper bag we produce is very popular.

Microwave popcorn is a kind of popcorn that is specially used for popping in a microwave oven. Most of them are currently available on the market, but some people don't know it yet. This popcorn is a little different from regular popcorn in that it comes packaged in a microwave popcorn paper bag. It looks like very little for popcorn but pops a lot, which is a little hard to believe unless you see it with your own eyes.And it can come in different flavors, such as cream flavor, chocolate flavor and so on.

Spout packaging bags, also known as standup spout bags and spout standup bags. There are various types of spout packaging bags, which can be divided into vertical installation standup bags and oblique installation spout bags according to the position of the spout; According to application, it can be divided into jelly spout bags, soy milk spout bags, sauce spout bags, laundry detergent spout bags, and so on. How exactly is it made? For some friends who are not in the packaging industry not understand much about it, next Kolysen packaging will introduce how the spout packaging bag is made!

Although greaseproof paper and baking paper look similar from a distance, they are very different from each other. What is the difference between them?

Kraft paper bags can be 100% recycled, are discarded will quickly decompose, will not cause pollution to the environment.

Vacuum bag, also known as decompression packaging, is to take out all the air in the packaging container and seal it to maintain the bag in a high decompression state. The scarcity of air is equivalent to the effect of low oxygen, so that microorganisms have no living conditions, so as to achieve the purpose of keeping fruit fresh and free from disease and rot.Vacuum packaging types include plastic bag vacuum packaging, aluminum foil packaging, glassware packaging and so on.Packing materials can be selected according to the type of articles.Because the fruit is a fresh food, is still in the respiratory effect, high hypoxia will cause physiological diseases, therefore, the use of vacuum packaging fruit less.

With the rapid development of the packaging industry, convenient and easy to use packaging products are widely used in all walks of life, and the easy-tear sealing film is one of them.

Washing powder is an indispensable part of daily life, and now the packaging of washing powder is mainly plastic packaging bags, on the one hand, because the cost of plastic bags is low, on the other hand, the sealing and moisture-proof performance of the packaging bags is good, and it is not easy to damage. In addition, it is convenient to print, our company can complete 9-color printing.

Butter's requirements for packaging are mainly to protect its fragrance beads, organization, appearance, moisture, and color. Airtight packaging is very important to protect its fragrance from being lost and resist the pollution of external odors because butter can easily absorb foreign odors. Due to the emulsion characteristics of butter, the fat in it is particularly susceptible to oxidation and rancidity. The trace metal ions remaining on the machinery and equipment of the processing plant can also give the butter a "fishy" smell.

If you often go shopping, do you also find that kraft paper pouches are always in front of you? It seems that the plastic pouches are disappeared before our eyes. The reason why kraft paper pouches quickly replaced plastic pouches is said to be that kraft paper pouches are more eco-friendly than plastic pouches. Do you agree with this view?

Metalized bag refers to packaging bags made of metalized materials. The exquisite patterns are designed by professionals, the exquisite patterns are printed through the gravure printing process, and the packaging bag customization mode is mainly based on directional processing.

Shrink film, as the name suggests, is a film with a certain shrinkage ability. The shrink film has high puncture resistance. It is widely used for covering and product protection in the transportation of various products. Shrink film is not only a good-looking appearance, but also moisture-proof, dust-proof, anti loose, anti-theft, and other functions.

Most chocolate packaging uses metal aluminum foil for packaging. Is it for the chocolate to melt and shape? Aluminum foil has good thermal conductivity. If aluminum foil is used as a mold, it is obvious that plastic is a better choice. So why choose aluminum foil to wrap chocolate?

​Ink is an indispensable material for the decoration and packaging of printed goods. Through printing, the packaging surface becomes beautiful, colorful, and attractive. With the rapid development of the printing industry in recent years, the packaging and printing of various plastics and paper industries have continuously improved, and the requirements for product packaging have become higher and higher. Composite flexible packaging printing is different from general packaging printing, that is, the former is lining printing, and the latter is surface printing. The inks used in the two are called lining ink and surface printing ink. We must analyze the differences between these two inks before printing and use them correctly.