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Level 4 Blue Security Bag Seal - China Suppliers and Factory for Anti-Counterfeiting Solutions
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Level 4 Blue Security Bag Seal - China Suppliers and Factory for Anti-Counterfeiting Solutions

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Product Description of Level 4 Security Bag Seal:
The Level 4 security bag seal offers advanced anti-counterfeiting features, making it an essential choice for security bags, logistics bags, and anti-tampering solutions. Manufactured from high-quality PET or PO anti-counterfeiting materials, this seal forms a tamper-evident bond with the membrane after the release paper is removed. One of its key functionalities includes a temperature-sensitive layer that reveals the word VOID in bright red when exposed to temperatures exceeding 60 degrees Celsius or during unauthorized attempts to open the bag with heat. This effective indicator ensures quick and clear visual confirmation of tampering.
Furthermore, when exposed to temperatures below 0 degrees Celsius or subjected to low-temperature tampering attempts, the anti-counterfeiting characters will fade, further enhancing security. Additionally, if the seal comes into contact with water or solvents, the tamper-evident markings disappear, ensuring that any unauthorized access is immediately evident. As a leading supplier and factory based in China, we ensure that our Level 4 security bag seals meet the highest standards for reliability and effectiveness in protecting sensitive information.

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    Product Details

    Product Parameter

    Specification of the Level 4 Security Bag Seal:

    Product Name Level 4 Security Bag Seal
    Face Stock PET/PO
    Function Anti-Theft; Anti-copy; Anti-counterfeit
    Face Film Thickness 25micron
    Adhesive Hot melt adhesive
    Colors Red, Blue, Yellow, Matt Silver, ect, or customized
    Size Can be customized
    Hidden Message(Text) VOID, OPEN VOID, OPENED, Custom
    Transfer Partial Transfer
    Surface Print Offer
    OEM/ODM Both
    Delivery By Air or By Sea

    Product Photos

    Level 4 Blue Security Bag Seal (2)
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    Level 4 Blue Security Bag Seal (9)
    Level 4 Blue Security Bag Seal (8)
    Level 4 Blue Security Bag Seal (10)

    Features of Level 4 Security Bag Seal

    Level 4 Blue Security Bag Seal1

    The surface of the security bag seal is the temperature indicator layer. Once the temperature is 60 degrees or above, the temperature sensitive layer will change quickly, usually white to red, and the temperature to red information is rapid, clear, conspicuous and intuitive. When the bag is exposed to a low temperature of 0 degrees or less, or when you tries to open through a low temperature, the anti-counterfeiting characters will fade. If the security bag seal meet the water or solvent, the tamper evident word will be disappeared.

    How to use

    The application of Level 4 Security Bag Seal:

    The Level 4 Security Bag Seal is applied in anti-counterfeiting, anti-theft, and anti-opening scenarios. Used in logistics, banks, etc., it detects unauthorized openings, serving IT, medicine, and other industries.

    Product Application

    The application of Full transfer anti-counterfeiting label:

    Widely used in IT electronics, electrical appliances, security, medicine, chemical, shopping malls, banks and other fields.

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    Frequently Asked Questions

    What are the primary functions of the Level 4 Security Bag Seal?
    The Level 4 Security Bag Seal is designed for high-security applications, providing anti-theft, anti-copy, and anti-counterfeit protection. It is widely used to detect and prevent unauthorized opening of bags and packages.
    How does the temperature-sensitive indicator layer work?
    The seal features a temperature indicator layer. If exposed to temperatures of 60 degrees Celsius or above, it rapidly shifts from white to red for clear visibility. Conversely, if exposed to low temperatures of 0 degrees or less (such as freeze spray tampering attempts), the anti-counterfeiting characters will fade.
    What happens if the security seal comes into contact with water or solvents?
    If the Level 4 Security Bag Seal comes into contact with water or chemical solvents, the tamper-evident message or word will disappear, indicating that the seal has been compromised.
    Can the size and hidden text message be customized?
    Yes, the dimensions of the bag seal can be customized to your requirements. The hidden message revealed upon tampering can display standard texts like "VOID", "OPEN VOID", "OPENED", or be customized with your specific text.
    Which industries commonly use these anti-counterfeiting seals?
    These seals are widely utilized across logistics, banking, IT electronics, electrical appliances, security, medicine, chemical industries, and retail shopping malls to secure high-value assets and confidential shipments.