Custom Packaging Bag Solutions: Octagon Sealed Bags

Octagon pouches are a type of composite packaging bag, named for their shape. As the name suggests, they have eight sealed edges—four at the bottom and two on each side. This bag type, also known as a "flat bottom bag," "square bottom bag," or "accordion zipper bag," has gained popularity in recent years. Many famous clothing, apparel, and food brands use this bag type, including MXS, Three Squirrels, Loulan Honey, and Qilixiang. Octagon pouches are widely favored by consumers for their three-dimensional appearance and upscale look.

Today, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will share its years of experience in octagon pouch production to explain its custom solutions.

I. Advantages of Octagon Pouches 的优势

1. Stands steadily, ideal for shelf display, attracting consumer attention;

2. Eight printing panels provide ample space for product descriptions and marketing, suitable for global sales and product promotion. Product information is displayed more completely;

3. The flat bottom provides an excellent display surface when the bag is laid flat;

4. The upright octagon shape enhances brand presentation;

5. Flexible packaging composite technology allows for diverse material choices, offering variations in thickness, moisture and oxygen barrier properties, metallic effects, and printing results, exceeding the capabilities of single boxes;

6. Octagon zipper bags feature reusable zippers, allowing consumers to open and close them repeatedly, a feature unavailable in boxes;

7. The unique shape helps prevent counterfeiting, making it easy for consumers to identify genuine products and build brand trust;

8. Multi-color printing allows for exquisite product appearance and strong promotional effects.

II. Commonly Used Materials for Octagon Pouches

1. Double-layer plastic composite film: Polyester/Polyethylene PET/PE, Nylon/Polyethylene NY/PE

Suitable for: General packaging, not suitable for high-temperature sterilization, allows for transparent display of contents.

2. Double-layer plastic high-temperature sterilization film: Polyester/Polypropylene PET/CPP, Nylon/Polypropylene NY/CPP

Suitable for: High-temperature sterilization, withstands temperatures above 110℃-120℃. Allows for transparent display of contents.

3. Three-layer aluminum-plastic composite film:

Polyester/Aluminum/Polyethylene PET/AL/PE, Nylon/Aluminum/Polyethylene NY/AL/PE

Polyester/Aluminum/Polypropylene PET/AL/CPP, Nylon/Aluminum/Polypropylene NY/AL/CPP

Suitable for: High-end packaging, light-blocking, does not display contents.

III. Octagon Pouch Customization Process

Determine the basic information for the octagon pouch, including material, thickness, bag type, and size requirements. This is also necessary for other types of custom packaging bags.

Octagon pouch design is created by designers or packaging manufacturers based on customer needs. The design requires providing necessary printing information, design themes, and elements. Novel and creative designs attract attention, promote brands, and increase sales.

Plate making for octagon pouches directly affects the quality of color printing. To create exquisite packaging bags, precise printing plates are essential. Plate making is based on the design draft, and the quantity is determined by the draft.

Color printing of octagon pouches involves installing the printing plates onto the printing machine after plate making. The designed patterns are printed onto the first layer of material. The color printing must be free of color differences.

Composite processing of octagon pouch materials involves combining different functional films, such as printing materials, barrier materials, and heat-sealing materials.

Curing and solidification of octagon pouches is necessary after composite processing because the composite strength is not yet stable. Generally, the pouches are placed in a constant-temperature curing room for 24-48 hours to allow the moisture and solvents in the adhesive to fully evaporate.

Slitting and bag making of octagon pouches completes the customization process after curing.

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