Did You Choose The Right Sealed Bag? 6 Purchasing Criteria To Tell You!

Sealed bag, also known as clamp chain self sealing bag, is made of materials such as plastic single film composite film. After filling or removing the contents, the bag can be repeatedly sealed and opened through the convex edges and grooves at the opening. Divided by purpose into food packaging bags and non food packaging bags. Self sealing bags produced from food grade raw materials can also store various small foods, tea, seafood, etc. They are moisture-proof, odor proof, waterproof, insect proof, and prevent items from scattering, ensuring that food is stored in a relatively suitable oxygen and water content environment. By blocking dust and fine bacteria in the air, they can extend the shelf life of food and delay food spoilage. How do consumers make the right choices and purchases?

Firstly, the appearance of the product should not have bubbles, perforations, or ruptures. In addition, if there are printed graphics and text on the surface of the self sealing bag, the clarity of the printed graphics and text should be visually inspected. You can rub the outer packaging bag back and forth several times by hand to observe whether the printed pattern fades. If the pattern is unclear, the printing error is too large, the color is prone to fading, or there is ink peeling, then the product may have certain quality problems.

Consumers can manually operate the convex edges and grooves at the opening to repeatedly seal and open, in order to check the tightness and suitability of the clamping chain and its repeated use. Loose or tight clamping chains can affect usage.

When purchasing self sealing bags, consumers should use their sense of smell to detect whether the bag has a pungent odor of organic solvents. This smell may come from the printing of inferior ink or the volatilization of plastic material additives.

Sealed bags come in different sizes, and consumers should pay attention to checking product information when purchasing, and choose different sizes according to the items they need to store.

Reusable food contact sealed bag products, during use, pay attention to the cleanliness and maintenance of the sealed bag to avoid damage and food microbial contamination; It is necessary to determine whether it can be used for high temperature or microwave ovens based on the product packaging instructions, and to use it according to the nominal operating temperature of the product.