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Understanding Gusset Bag Packaging

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Update time : pro . 11, 2024 09:54

Gusseted Bags are a type of packaging bag, which is characterized by adding frills (i.e. "gussets") on both sides or bottom of the bag to provide more capacity and a more stable shape. This design makes the side gusset bag have superior bearing capacity and space utilization rate, and is convenient for three-dimensional storage. side gusset bags are widely used in food, medicine, agriculture, industrial products and other fields, and become an important part of modern packaging industry.

Structural characteristics of side gusset bag

The design of gusset bags usually includes the following parts:

Main bag wall: it is used to carry the packaged goods and is the main part of the side gusset bag.

Corner brace part: add ruffles on both sides or bottom of the bag to expand the capacity and enhance the stability of the bag.

Sealing system: seal by means of heat sealing, zipper or self-adhesive sealing to ensure the safety and integrity of products.

The structural design of side gusset bags can meet the packaging requirements of different articles, and its forms are various, such as side side gusset bags, bottom side gusset bags and three-sided side gusset bags.

Advantages of gusset bag packaging

Efficient use of space

The side gusset bag can form a regular square structure after filling, which is convenient for transportation and stacking and maximizes the use of storage space. For shelf display, the three-dimensional design of side gusset bag is more beautiful and easy to display.

Excellent sealing performance

The gusseted pouch packaging protects the contents from external pollution and damage through various sealing forms (such as heat sealing, zipper or gluing), and is especially suitable for food, medicine and other fields with high sealing requirements.

Strong flexibility

The size and material of the gusseted pouch packaging can be adjusted according to the needs to meet the packaging requirements of articles with various shapes and specifications. In addition, its printing area is large, which is convenient for brand promotion and information display.

Cost advantage

Compared with rigid packaging, gusseted pouch packaging have lower material cost and transportation cost, and are easy to process and mass produce.

Environmental protection

Modern side gusset bags usually use environmentally friendly materials (such as recyclable or biodegradable plastics), which further enhances their sustainability.

Material selection of gusset bag packaging

The performance of the gusseted pouch packaging depends largely on the selection of materials. The following are some common materials and their characteristics:

polyethylene (PE)

Features: Good toughness, strong waterproof, suitable for food and liquid packaging.

Application: milk bag, frozen food bag, etc.

Polypropylene (PP)

Features: high transparency, good heat resistance, suitable for high temperature cooking or display packaging.

Application: packaging of snacks, sweets and baked goods.

Aluminum foil composites

Features: excellent barrier performance, moisture-proof, anti-oxidation, and extended shelf life of contents.

Application: packaging of coffee beans, tea leaves and pharmaceutical products.

Bio-based materials

Features: strong environmental protection, degradable or renewable, suitable for packaging requirements with high environmental protection requirements.

Application: gusseted bags for food, environmental protection daily chemical products and other fields.

The combination of different materials can adjust the functionality of the side gusset bag according to specific needs, such as moisture-proof, light-proof, heat-resistant or tear-resistant performance.

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