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Characteristics and Principle of Tamper-proof Unsealing Bag

The utility model discloses a tamper evident, unsealing packaging bag, which includes a rectangular transparent plastic bag body. Both sides of the plastic bag body are sealed by two heat sealing tapes. A letter band is set between the two heat-sealing bands on each side. The mouth of the plastictamper evident bag body is sealed by a non-transparent adhesive layer, and a letter-shaped pattern block is provided in the adhesive layer which can be peeled off when torn. Due to the use of double heat-sealing tapes on both sides of the packaging bag, there is a row of unsealed letter tape between the two heat-sealing tapes. When the outermost heat-sealing tape is cut, the packaging bag cannot be opened. When the second heat-sealing tape is cut, the letter tape is destroyed, and the seal can be seen at a glance. In addition, when the mouth of the tamper evident bag is strongly torn, the character-shaped pattern block of the adhesive layer is stuck by the bag body on one side, and the word is displayed after tearing. Even if the bag mouth is re-attached, it cannot be completely restored. The utility model is easy to find after being unsealed, and has good anti-unsealing properties.

It is characterized in that the bag mouth of the plastic bag body is provided with a thermochromic strip.

As one of the security packaging tape suppliers, our company has shown its worth in this very competitive sector due to theefforts and rigorous inputs from the professionals who have contributed immensely to its growth. These people have a very vast knowledge of the market trends and scenario allowing them gets reliable link-ups with vendors for us. Also, we have some of the best-qualified quality and packaging experts, who have taken responsibility to ensure we make zero-defect products as well as safe and on-timedelivery of the packaging materials.