Each anti-counterfeiting label number can be checked once.

In the past, the anti-counterfeiting label number could be queried multiple times. Now, in order to increase the effect of the anti-counterfeiting label, it is generally set to the first query to confirm the authenticity of the product. When querying again, the time of your first query will be answered. Confirmed Have you checked it? Some will become invalid after multiple queries. Therefore, the number of times the anti-counterfeiting label number can actually be queried is once.

According to different categories of anti-counterfeiting label numbers, different label materials can be used. Paper stickers, PVC, PET, OPP, etc. are widely used. Aluminum oxide laser film is widely used for laser labels. Textured anti-counterfeiting uses fiber paper, and fragile labels use fragile paper.

Extended information:

Requirements for anti-counterfeiting label numbers:

1. Uniqueness of identity: the uniqueness and non-transferability of the anti-counterfeiting identification features of the anti-counterfeiting label number. For example, in digital anti-counterfeiting, a product has an anti-counterfeiting mark with an identity code. Each anti-counterfeiting mark can only be used once and cannot be transferred.

2. Stability period: Under normal use conditions, the shortest time that the anti-counterfeiting identification features of the anti-counterfeiting label number can be maintained continuously. For example, fluorescent inks and temperature-changing inks have a decay period.

3. Safety period: Under normal use conditions, the shortest time for the anti-counterfeiting identification features of the anti-counterfeiting label number to be successfully copied. This is what customers are most concerned about, and the manufacturer should propose a commitment period.

4. Anti-counterfeiting strength: the durability and reliability of the function of identifying authenticity and preventing counterfeiting. Anti-counterfeiting strength consists of four factors: the number of anti-counterfeiting identification features, the number of exclusivity of anti-counterfeiting technology, the difficulty of imitation and the cost of imitation.

5. Usage adaptability: the ability of the anti-counterfeiting identification features of the anti-counterfeiting label number to adapt to the use requirements of the subject matter or service object.

Baidu Encyclopedia-Anti-Counterfeiting Label