1. Heat sealing
Sealing method: Flat poly plastic bags use heat sealers to seal the bag openings, and heat to seal the bag openings firmly to prevent air or moisture from entering. Applicable products:
Food: such as dried fruits, candies, rice, flour, etc., to ensure that food is sealed to prevent spoilage.
Cosmetics and personal care products: such as facial masks, cotton pads, etc., to extend the shelf life of products.
Medicine: Medicines that need to be sealed to prevent moisture, such as tablets or health products.
Advantages: Good sealing and can protect items for a long time.
2. Folding seal
Sealing method: Flat poly plastic bags fold the bag openings and fix them with tape, label paper or stickers, which is easy to operate. Applicable products:
Clothing: such as T-shirts, towels, socks, etc., suitable for clothing products that need to be displayed and simply protected.
Small parts: such as hardware, stationery, etc., convenient packaging and can be opened at any time.
Advantages: Convenient for multiple use, suitable for products that do not require strict sealing.
3. Tape sealing
Sealing method: Stick sealing tape on the bag mouth, simple and easy to operate, suitable for the packaging of lightweight items. Applicable products:
Documents and stationery: such as document bags, notebooks, business cards, etc., to ensure that the items are not easy to slip out during transportation.
Small gifts: such as small accessories, gift cards, etc., a packaging method that is easy to open.
Advantages: fast operation, suitable for small items and gift packaging.
4. Clip sealing
Sealing method: flat poly plastic bags use tools such as clips, sealing strips or plastic buckles to fix the bag mouth, which can be reused. Applicable products:
Food: such as bread, biscuits and other foods that need to be kept fresh for a short period of time.
Pet food: such as dog food, cat food, etc., which is convenient to take at any time and keep sealed.
Advantages: Suitable for short-term storage, especially for the sealing of food bags for daily use in the family.
5. Vacuum sealing
Sealing method: flat poly plastic bags use a vacuum machine to extract the air in the bag and then heat seal it to achieve a sealed state. Applicable products:
Fresh food: such as meat, fruit, etc., to extend the shelf life.
Medical and experimental supplies: such as samples and experimental materials that need to be isolated from the air. Advantages: Excellent sealing, suitable for products that need to be stored for a long time.
Different sealing methods provide a variety of application options for flat bags, enabling them to flexibly meet the packaging needs of different products.
