In the snack industry, customized packaging bags play a very important role. There are several common types of bags used in kinds of snack, including self-supporting bags, three-side sealed bags, four-side sealed bags, back-sealed bags, organ bags, eight-side sealed bags, etc. However, the shape of packaging bag and the packaging materials are mainly determined by the specific snacks. Different bag types have their own characteristics and advantages. Snack manufacturers usually choose the appropriate packaging bag type according to factors such as the type, specification, and brand positioning of the snacks.
Today, let's learn about the snacks we often see and the types and materials of bags that can be selected.
Common and suitable packaging bag types for potato chips are mainly the following:
1. Self-supporting bag: This bag type can stand on its own, which is convenient for display and display. It usually has good sealing and can effectively maintain the freshness and crispness of potato chips.
2. Pillow bag: The appearance is pillow-shaped, of which structure is simple. What's more, the production cost is relatively low, and it can also provide certain sealing and protection.
3. Three-side sealed bag: It's three-side sealed, easy to open. The chips are easy to package and store in this kind of bag.
4. Eight-side sealed bag: It has a three-dimensional and high-end feel, a large display area. Thus it can better attract consumers' attention, and can accommodate more product information.
When choosing the bag type of potato chip packaging bag, you need to consider a variety of factors such as cost, aesthetics, freshness preservation, and display effect.
Potato chip packaging can usually use the following materials:
1. Aluminum-coated film: It has good oxygen barrier, moisture barrier and light-proof properties, which can effectively extend the shelf life of potato chips and maintain the taste and flavor of potato chips.
2. Aluminum foil: Aluminum foil has excellent barrier properties and can effectively block the invasion of light, oxygen and water vapor, providing high-quality protection for potato chips.
3. Polyester film (PET): It has the characteristics of high strength and good transparency. It is often used for outer packaging and provides good printing performance and appearance display effects.
4. Polyethylene film (PE): It has good flexibility and heat sealing properties. It is often used for inner packaging to ensure the sealing of the packaging.
5. Nylon film (PA): has good toughness and puncture resistance, can enhance the strength and protective performance of the packaging.
Different material combinations can be selected according to the characteristics of potato chips, packaging requirements and cost factors to achieve the best packaging effect.
Suitable bag shapes for dried snacks like dried mangoes are:
1. Self-supporting zipper bag: convenient for standing and placement, with zipper design. It 's easy to open and close multiple times, can better keeping the dried mango dry and preventing moisture.
2. Three-side sealed bag: simple to make, relatively low cost, good sealing.
3. Four-side sealed bag: more solid than three-side sealed bag. It can effectively prevent packaging from breaking.
Suitable materials are:
1. Aluminum-coated polyester film: good oxygen and moisture barrier properties, can effectively maintain the quality of dried mangoes.
2. Aluminum foil laminated film: light-proof, strong barrier properties, can extend the shelf life of dried mangoes.
3. Multi-layer co-extruded polyethylene film: has good flexibility and heat sealing properties, can ensure the sealing of the packaging.
The bag shapes suitable for nuts are mainly:
1. Self-supporting zipper bag: It can be placed independently, which is convenient for display and storage. The zipper design is convenient for consumers to take and store multiple times.
2. Organ bag: It has a large capacity and beautiful appearance, which can attract consumers.
3. Back-sealed bag: The seal is on the back, the appearance is flat, which is conducive to printing product information.
Suitable materials include:
1. Nylon/polyethylene composited film: The nylon layer provides good toughness and strength, and the polyethylene layer ensures good heat sealing and moisture barrier properties.
2. Polyester/aluminum foil/polyethylene composite film: It has excellent barrier properties, can effectively avoid light, oxygen and moisture, and maintain the freshness and taste of nuts.
3. Aluminum-plated polyester/polyethylene composite film: The aluminum layer enhances the barrier properties and prevents nuts from oxidation and deterioration.
Jelly can be packaged in a variety of bag shapes. The following are some common choices:
1. Self-supporting bag: This bag shape can be placed independently, which is convenient for display and storage. Stand-up bags usually have zippers or sealing devices, which are convenient for consumers to use multiple times and can better maintain the hygiene of jelly.
2. Suction spout bag: There is a protruding suction spout on the suction spout bag, and consumers can directly suck the jelly by squeezing the bag. It is easy to use and especially suitable for children.
3. Three-side seal bag: The three-side seal bag is relatively simple to make. On the other hand , it has low cost and good sealing, effectively protecting the quality of jelly.
4. Shaped bag: It can be designed into various unique shapes according to the characteristics of jelly or brand image, such as heart shape, animal shape, etc., which can attract consumers' attention.
When choosing the bag shape of jelly, factors such as product positioning, target consumer groups, packaging costs and production processes need to be considered. At the same time, it is necessary to ensure that the selected bag shape has good sealing, puncture resistance and stability to prevent leakage or damage of jelly during transportation and storage. In addition, the packaging material should also meet food hygiene standards and be safe and non-toxic.