How to identify food sack or not qualified?

​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.

This is some Chocolate foil samples from Kolysen food packaging manufacturer, who provide custom service according to your requirements. When customizing food packaging, we must pay attention to the three elements of material, style and pattern.

Packaging Materials | Food Safety | Packaging Business | Packaging Design | Food Packaging

Food packaging supplies have their own unique characteristics, such as considering the color of the food according to the characteristics of the food. For example, strawberry-flavored biscuits will consider red, and orange-flavored yogurt packaging will consider orange. Nowadays, people’s aesthetics are constantly changing. Improving and satisfying people’s aesthetic needs have become the main topic of packaging bag design. Previously, packaging that simply put a product photo on it could no longer satisfy people’s aesthetic standards. They needed more artistic expressions. And designers also adopted abstract techniques. To make the product packaging more artistic, leaving people with room for reverie. When co-planning for a meat company's product design, the cartoon image was adopted, and the effect was very obvious.

At first, it specifically refers to plastic film bag packaging, and later refers to flexible packaging or flexible containers of various single materials or composite materials, and now even includes semi-rigid packaging such as blister packaging, skin packaging and some thermoformed packaging form.

A new type of plastic made from recycled waste degrades in less than a year.The substance, known as polyhydroxybutyrate, will soon be used mainly to produce and break down disposable products, making it environmentally friendly.This innovative material can be manufactured on an industrial scale through new processes developed by THE Fraunhofer Institute for Production Systems and Design Technology IPK and its partners.

Recently, researchers at the University of California, Santa Barbara used a simple low-temperature catalytic method to convert plastics such as polyethylene into high-value alkyl aromatic molecules, opening up new ways for the recycling of plastic waste.

In the packaging industry, flexible plastic packaging products may always feel that they are not environmentally friendly and difficult to recycle. However, in fact, food flexible packaging such as food packaging film, food packaging bags, etc. have never given up the packaging requirements of environmental protection.

The points that the procurement of automatic packaging film rolls should pay attention to. With the continuous development of business, all kinds of packaging bags have swarmed out. Such as three-side sealed bags, zipper bags, stand-up bags, aluminum foil bags, flat bottom bags, etc. However, in the procurement of packaging bags, for cost savings, larger brand companies or companies that require the same type of packaging bags for a long time all have chosen to directly purchase packaging film roll and use automatic packaging machines to make them into bags. In fact, the difference on the work procedures between packaging film and packaging bags is the process - making bags. Therefore, in the procurement of automatic packaging roll film, easy-tear automatic packaging roll film, aluminum-plastic automatic packaging roll film, and food packaging film, what key points and matters should be paid attention to? Kolysen Packaging will give answers specifically.

12 type of materials used for laminated food packaging bags

What aspects should be paid attention to when we buy food packaging bags?

As can be seen from the figure, this is a vacuum pumping, and the side of the bag can clearly see the items inside the bag, while the other side but the foil material, this bag we like to call bag with clear window.

The hamburger foil wrapper is cut into square after grid-like paper or aluminum foil printing. It is mainly used for packaging various instant food, such as hamburgers, sandwiches, hot dogs, etc.

Kraft paper pouch bag is a packaging made of composite materials or pure kraft paper, it’s on-toxic,tasteless, non-polluting,low-carbon,environmental friendly,and it meets international environmental protection standards, high strength, high environmental protection,is one of the most popular environmental protection packaging materials in the world.

While we may be accustomed to seeing every bit of our food wrapped in air-tight plastic wrap, food and coffee shouldn’t be limited to only plastic. Since they were developed in 1852, paper bags continue to be a popular bagging item, despite the competition from plastic bags. While you may not be able to find them in as many stores as you once could, paper bags continue to be a popular choice for shopping and food items due to the increased durability and their eco-friendly disposition.

Tin foil paper has a good finish and thermal reflection. With the protection of tin foil paper, the taste of cigarettes will not be affected by the external stimulation and smell.

Kolysen will give you a detailed introduction to aluminum foil knowledge

Firstly, it is about oil contamination on its own. The oil contamination can be called the extra oil on surface of the aluminum foil which appears after rolling procession. These oils are dirty with complex components. They were thrown from the roll neck or the opening position of the machine, splashed and dripped on the foil surface.

Raw materials: The raw materials of plastic bags, including plastic particles and additives, etc. Custom plastic bags use different raw materials, the price will be different, the better raw materials, the higher the cost, plastic bags will be higher prices.

1. Can be printed on five sides, adequate printing surface makes the information description and pattern design of products more abundant. 2. Vertical structure, can stand on the shelves, stable standing.

Chocolate is fermented and roasted with cocoa beans, and added to milk powder, sugar, stirring and coagulation after the cocoa butter is squeezed. Compared with other vegetable oils, cocoa butter is more likely to absorb odor. The remaining portion of chocolate which is stored in the refrigerator without being re-wrapped will be contaminated by other things.

sophia@kolysen.com +86 592 5125630 Facebook: @foodpackagingmaterials www.kolysen.com Feel free to contact us if there is any demands. We will try every effort to reply you as soon as possible. Thank you!

Yes, we have experienced logistic team to assist with you on the shipping affairs. Feel free to advise on if you have any questions on importing or transportation affairs. Our logistic team will provide you with solutions accordingly.

Xiamen port. It is located in 118°04' E and 24°27' N, south part of Fujian province and southeast coast of China. Surrended by many hills, Xiamen port is with good shelters against wind and all kinds of vessels enter and leave the port without tidal restrictions. Xiamen port is the main port on the coast of China, one of the important seaports for foreign trade in China.

EXW, FOB, FCA, CFR/CNF, CIF, DDP, DDU are all available for your choice and we will do as per your demands.

Sea shipping, air shipping and inland transportation, inteernational Express shipping, many shipping ways are available and we will do as per your demands.

For stock product, the lead time is about 7 days For customized product, the lead time is about 25 days, precise one is up to detailed product and quantity.

For our new customers, the payment term is 40% the deposits by TT upfront, 60% the balance before shipment or against copy B/L or 100% irrevocable L/C at sight.

Company name Address and post code Contact person and phone number Courier account like DHL, FedEx etc. International Express Account number. Feel free to contact us if your esteemed company do not have any courier account yet. We are here to help you with.

Yes, if needed, our existing sample is available for your quality verification firstly. For our regular products, we all have existiing samples ready that can be offered for you to try and quality checking. And our existing sample is free for you.

Yes, in addition to customized products, we also have some stock product ready for customers’ urgent demands. Feel free to contact us for more details if interested! We will send our products’ picture and size lists for your review.

For customized products, the MOQ depends on the capacity and detailed customized demands. Normal MOQ is 500KG per specification or per SKU. For stock product, the MOQ is 1 pc.

Yes, our customers’ information and datas are top secret of our company. If you need, we can sign the confidentiality agreement with you.

Yes, we can. Please feel free to release your printing design for our review. Then our competitive price will be calculated for your review. Upon the receipt of your deposits payment, our technician will make artwork proof for your confirmation. We will make cylinders according to the approved artwork proof by you.

Silk-screen printing, used for stock product with small quantity; Flexo printing, used for paper product such as greaseproof paper sheet or paper bag; Gravure printing, used for laminated film roll or laminated bag.

Specific details needed for customization is different basing on different product series. Normal basic points are specification, material, thickness or grammage, printing design, application and quantity.

AI(Adobe Illustrator) format would be better, PSD, CDR also is ok.

The specification, material, color and printing etc. details can be customized as per customer’ requests and design artworks. Our sales team will give you professional guidance to you when you contact us for your orders.

Yes, we Kolysen can custom make product with your requested specification, material, color and printing etc. details.