I. Core Product Positioning

II. Detailed Explanation of Core Materials (Technical Details)

1. Multi-Layer Composite Structure (Core Advantage)

The anti-static aluminum foil bag adopts a four-layer composite structure (outer to inner: anti-static PET layer + aluminum foil shielding layer + barrier layer + anti-static CPP inner layer), which combines the advantages of each layer of material to achieve comprehensive protection performance, and the production process adopts high-temperature hot pressing compounding, with tight bonding, no delamination, and stable performance. Each layer of material has a clear division of labor and complementary functions, which is the key to distinguishing it from ordinary anti-static bags and ordinary aluminum foil bags.

2. Detailed Introduction of Each Layer Material

• Outer Layer: Anti-Static PET Layer: Adopts high-transparency or matte electronic-grade PET (polyethylene terephthalate) material, with a thickness of 12~25μm. The surface is sprayed with a permanent anti-static coating, which can quickly dissipate static electricity generated by friction, avoid charge accumulation, and at the same time have excellent wear resistance, scratch resistance and dimensional stability, preventing the bag body from being damaged during transportation and turnover, and protecting the inner aluminum foil layer from scratches.
• Middle Layer 1: Aluminum Foil Shielding Layer: The core functional layer, adopts high-purity food-grade/electronic-grade aluminum foil with a thickness of 7~12μm, which is dense and uniform, without pinholes or gaps. It uses the Faraday cage principle to form a closed shielding space, which can effectively isolate external electrostatic fields and electromagnetic interference (EMI), prevent electrostatic discharge (ESD) from damaging electronic components, and at the same time block external light, oxygen and water vapor, playing a role in light-proof, oxygen-proof and moisture-proof.
• Middle Layer 2: Barrier Layer: Adopts high-density PE (polyethylene) or PA (polyamide) material, with a thickness of 15~20μm, which is closely compounded with the aluminum foil layer to enhance the barrier performance of the bag body, further blocking the penetration of water vapor and oxygen, avoiding oxidation and moisture of electronic components, and extending the storage life of products.
• Inner Layer: Anti-Static CPP Layer: Adopts food-grade anti-static CPP (cast polypropylene) material, with a thickness of 20~30μm, non-toxic, odorless, no dust, and can be directly in contact with electronic components. The surface has anti-static properties, which can prevent static electricity from generating inside the bag and avoid electrostatic adsorption of dust, ensuring the cleanliness of electronic components.

3. Core Material Parameters

• Total Thickness: Standard 50~80μm (Customizable), uniform thickness, error ≤±2μm, balancing protection performance and flexibility
• Surface Resistivity: 10⁷~10¹¹ Ω/□ (both inner and outer layers), in line with ESD anti-static standards, static decay time ≤0.2s (from 1000V to 100V), can quickly dissipate static electricity
• Water Vapor Transmission Rate: ≤3g/(m²·24h), excellent moisture-proof performance, effectively isolating external water vapor
• Oxygen Transmission Rate: ≤5cm³/(m²·24h·0.1MPa), high oxygen barrier performance, preventing electronic components from being oxidized by air
• Tensile Strength: Longitudinal ≥25MPa, Transverse ≥22MPa, tear-resistant and durable, not easy to break during transportation and turnover
• Puncture Strength: ≥5N, effectively preventing puncture by sharp edges of electronic components (such as PCB boards, pins), avoiding protection failure
• Environmental Compliance: Strictly complies with RoHS 2.0, REACH, Halogen-Free and other environmental standards, no heavy metals, no harmful substances, suitable for export and domestic electronic products

4. Anti-Static Process and Performance

5. Sealing Structure Design

6. Appearance Material and Process

III. Core Roles and Functions (In-Depth Analysis)

1. Core Protection Roles (Four-in-One Protection)

• Anti-Static Protection: The core function, through double-sided anti-static design, quickly dissipates static electricity generated by friction on the surface and inside of the bag, avoids charge accumulation, and prevents electrostatic discharge (ESD) from damaging electronic components (such as chips, ICs, MOS tubes, etc.). It is especially suitable for electrostatic sensitive electronic components, protecting the performance stability of products from the source, and solving the problem that ordinary aluminum foil bags have no anti-static function and ordinary anti-static bags have poor protection effect.
• Electromagnetic Shielding Protection: The aluminum foil shielding layer forms a Faraday cage, which can effectively isolate external electromagnetic interference (EMI) and radio frequency interference (RFI), prevent electromagnetic radiation from interfering with the internal circuit of electronic components, protect the signal integrity of electronic components, and is suitable for high-precision electronic components (such as optical modules, sensors, communication modules, etc.) that are sensitive to electromagnetic interference.
• Moisture-Proof, Oxygen-Proof and Light-Proof Protection: The dense aluminum foil layer and barrier layer work together to effectively block water vapor, oxygen and light. It can prevent electronic components from being damp, oxidized, rusted (pin oxidation) and aging due to light, extend the storage life of electronic components, and is suitable for long-term storage and humid environment storage (such as coastal areas, rainy seasons).
• Dust-Proof and Physical Protection: The excellent sealing performance of the self-sealing bone strip can effectively isolate external dust and powder, avoid dust adhering to the surface of electronic components and pins, prevent poor contact and short circuit caused by dust. At the same time, the multi-layer composite structure has strong toughness, puncture resistance and tear resistance, which can buffer slight collisions during transportation and turnover, avoid electronic components from being bumped and scratched, and prevent the bag body from being damaged and losing protection function.

2. Auxiliary Functions

• Convenient Turnover and Operation: The self-sealing design does not require additional equipment, can be quickly packaged and repeatedly opened and closed, facilitating workshop turnover, warehousing inventory and product sampling inspection, improving packaging and management efficiency, and reducing labor costs. The heat-sealing type can be used with heat-sealing machines to achieve batch rapid packaging, suitable for large-scale production scenarios.
• Traceable Management: The bag body can print product models, batch numbers, production dates, QR codes and other information, realizing one-code traceability of electronic component packaging, adapting to the standardized management needs of the electronic manufacturing industry, and facilitating quality tracking and after-sales service.
• High Compatibility: It is compatible with various electronic components, regardless of small components (capacitors, resistors) or large components (PCB boards, driving power supplies), it can be packaged according to the size, and can be customized according to the shape and size of the product, with strong adaptability.
• Environmental Protection and Safety: The materials of all layers are non-toxic, odorless, no dust, no harmful substances, in line with international environmental standards, can be directly in contact with electronic components, no corrosion and pollution to electronic components, suitable for export products and high-end electronic product packaging.

IV. Application Scenarios (Subdivided Scenarios, Precise Adaptation)

1. Electronic Manufacturing Workshop

2. Electronic Product Warehousing

3. Logistics and Transportation Scenarios

4. High-Precision Electronic Product Scenarios

5. Cleanrooms and Laboratories

6. E-Commerce and Offline Retail

V. Customization Options (Adapting to Batch Needs)

• Size Customization: Support customized length, width and thickness on demand. Common standard sizes include 10×15cm, 15×20cm, 20×30cm, 25×35cm, 30×40cm, etc. The minimum size can be customized to 5×8cm, and the maximum size can be customized to 100×150cm, adapting to electronic components of different sizes and shapes (such as small capacitors, large PCB boards, etc.).
• Thickness Customization: The total thickness of the bag body can be adjusted (50~120μm) according to the protection demand. For high-protection scenarios (such as long-term storage, international shipping, high-precision components), thickened aluminum foil and barrier layers can be customized to enhance puncture resistance, barrier performance and shielding performance.
• Style Customization: Optional styles include self-sealing bone strip type, heat-sealing type, flat mouth type, gusseted type, etc. The self-sealing type is suitable for daily turnover and sampling inspection; the heat-sealing type is suitable for long-term storage and high-sealing demand; the gusseted type can expand the internal space, suitable for packaging irregularly shaped electronic components.
• Printing Customization: Support single-color/multi-color printing, which can print brand logos, anti-static warning signs (ESD Protected), product specifications, batch numbers, production dates, QR codes, company information and other content. The printing is clear, non-fading, and does not affect the protection performance of the bag body, realizing brandization and traceable management.
• Special Customization: According to customer needs, it can be customized with anti-static labels, hanging holes, tear notches and other designs, facilitating use and management; for ultra-high-precision electronic components, it can be customized with low-dust and high-cleanliness models, adapting to the use needs of clean workshops.

VI. Usage and Storage Precautions

1. Before use, check whether the bag body is damaged (such as pinholes, tears), whether the self-sealing bone strip is intact, and whether the anti-static performance is normal (it can be detected by an electrostatic tester if necessary). Avoid using invalid bags to prevent damage to electronic components.
2. When packaging electronic components, ensure that the components are clean and dry, and avoid packaging components with moisture, oil stains or dust, so as not to affect the protection effect and the performance of the components.
3. When packaging sharp electronic components (such as PCB boards, pins), avoid direct contact between the sharp edges and the bag body to prevent puncturing the bag body; you can properly fold the bag mouth or add buffer materials (such as bubble film) to enhance protection.
4. The storage environment should be dry and ventilated, with the temperature controlled at 15~30℃ and the humidity at 40%~60%. Avoid direct sunlight, high-temperature exposure (exceeding 60℃) and humid environment, prevent the bag body from aging, delamination and anti-static performance attenuation, and avoid contact with chemicals (such as acids, alkalis) to prevent corrosion of the bag body.
5. After opening the bag, seal the unused bags in time to avoid dust, water vapor and oxygen entering, affecting the subsequent use effect; the self-sealing bag should ensure that the bone strip is fully engaged when sealing, and the heat-sealing bag should ensure that the heat-sealing is tight and free of gaps.
6. The bag body should be kept away from sharp objects (such as scissors, tweezers, metal tools) during use and storage to prevent puncturing the bag body and losing the protection function.
7. This product is for packaging electronic components only, not for high-temperature cooking, microwave heating or packaging of flammable and explosive materials.