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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.

The main feature of food packaging coated paper is that this laminated material can be oil-proof, waterproof, and can be heat-sealed.As people pay more and more attention to food safety, food production companies put food safety requirements in the first place. To meet the food safety requirements of customers, food-grade coated paper was born.

Food packaging bags are a common type of bag in our lives. There are many different kinds of food packaging bags, such as stand up pouches, vacuum bags, paper bags, and plastic bags, and so on.

The common quality problems in the production of greaseproof paper bags mainly come from two aspects. One is the product quality problem caused by the problem of the greaseproof paper material itself; the other is the quality problem of the production process of the greaseproof paper bag and the environmental impact. Explained separately as follows:

​Wax paper and PE coated paper are papers that people often use in daily life. Many people don't know them very well. Next, the editor of Kolysen Packaging will introduce the difference between waxed paper and coated paper.

No matter what kind of food it is, it needs to be properly packaged to maintain freshness and ensure safe handling. Knowing which type of food wrapping paper，greaseproof paper, aluminum foil or wax paper is used for your food is crucial to deliver a high-quality product to your customers. Therefore, we will introduce to you a wrapping paper suitable for hamburgers, burger aluminum foil paper.

The most common packaging bags for the commodities we buy every day are plastic, and there is also a kind of aluminum foil packaging bag that is also very common. So what is the difference between them and their advantages? Today Kolysen will analyze for everyone from three aspects: application range, cost, and environmental performance.

The so-called packaging, the original purpose is to protect goods and promote products, but with the development of society, various types of packaging have evolved to facilitate people's lives. Today's packaging products are not only changing rapidly in form, but also in functionality.

In a broad sense, it refers to paper that can prevent oil absorption and penetration. In a narrow sense, it refers to a type of paper made from the bleached, semi-bleached, or unbleached chemical wood pulp through high beating degree treatment. It also includes paper grades that can resist the penetration and absorption of fats and oils produced by adding an oil repellent to the pulp or coating the surface.

When aluminum foil is applied to food packaging, it has the function of aroma preservation, color preservation, taste preservation, and quality preservation, which mainly depends on aluminum foil's high barrier, light resistance, high-temperature resistance, low-temperature resistance, oil resistance, water resistance, non-toxic and tasteless, and so on. Because of these nearly perfect characteristics and advantages, it is popular in the food packaging industry. Let's take a look at the advantages of aluminum foil in food packaging.