The Definition And Classification of Fragile Self-adhesive Paper

1. Definitions and Core Characteristics

Definition: Fragile paper self-adhesive is a composite anti-counterfeiting material, with fragile printed fabric as the surface material, a special strong adhesive applied to the back, and silicon-coated protective paper as the backing paper. The breaking strength of its surface material is much lower than the bonding capacity of the adhesive. After pasting, it cannot be completely peeled off and cannot be reused. It also has the functions of anti-counterfeiting and anti-tampering.

Characteristics:

Fragility:
When subjected to external forces (such as tearing or peeling), the surface material breaks, preventing the label from being reused or counterfeited (for example, the sealing label of takeout food breaks immediately after opening, ensuring food safety).

Anti-counterfeiting property:
It is often used for quality assurance of high-end products (such as mobile phones, medicines, and alcoholic beverages) to prevent the circulation of counterfeit and shoddy products.

Adaptability:
It is divided into two types: thin base paper (suitable for web printing, manual labeling, easy to shrink, and requires rapid processing) and thick base paper (can be printed on a single sheet, with a base paper thickness of 120-220g/㎡, and has a small impact on shrinkage), meeting different production scenarios.

2.Application Scenarios

1. Product warranty and anti-counterfeiting:

The warranty labels of high-end products such as mobile phones, computer accessories, automotive electrical appliances, medicines and cosmetics (such as "Fragile Product Warranty Label") should be used to ensure the accuracy of the warranty date and prevent tampering.

Anti-counterfeiting labels for performance tickets and alcoholic beverages to prevent the circulation of counterfeit tickets and alcohol.

2. Anti-theft and tamper-proof:

The packaging of goods in shopping malls (such as food and luxury goods) can prevent labels from being replaced and protect consumers' rights and interests.

Takeout sealing labels (Douyin case) : Made of fragile paper, the label breaks when the package is opened, directly indicating to consumers whether the package has been tampered with and enhancing the trust in food safety.

3. Special marking requirements:

Logistics warning labels (such as "Handle fragile items with care"), strengthening protection reminders during transportation (Douyin Picture collection case).

3. Key Points of Technology and Production

1. Materials and Processes

Thin-base paper type: Web printing (resin ink letterpress/flexographic water-based ink), no waste is discharged after die-cutting, manual labeling (the surface material has low strength and is prone to shrinkage, single-sheet printing should be avoided).

Thick backing paper type: It can be single-sheet offset printing, letterpress printing or screen printing. After die-cutting, the waste is manually removed. The backing paper thickness is (120-220g/㎡), and the shrinkage only affects the edge of the surface material, providing higher stability.

2. Precautions for Use:

Fragile paper is sensitive to temperature and humidity. It should be printed immediately after purchase to avoid long-term storage. When printing, if the surface material shrinks or overflows glue, the paper feeding speed should be slowed down to prevent edge breakage.

Anti-counterfeiting technology upgrade: Some products are embedded with colored fibers, metal wires, and holographic patterns (patented technology of TechWeb), or use degradable materials (in line with environmental protection trends, such as 3M Company's recyclable labels), enhancing anti-counterfeiting performance and sustainability.