Aluminum foil sealing gasket is a high-performance sealing material with high barrier, sealing, and hygiene safety properties. Understanding its characteristics, production processes, and application areas can help better select and use aluminum foil sealing gaskets to meet the sealing needs of different industries. 

1. Main characteristics

High barrier properties: prevent oxygen, moisture, light, etc. from entering, extend product shelf life.

Sealing: tightly adhered to the container mouth to prevent leakage and contamination.

Temperature resistance: able to withstand high temperature sterilization or low temperature storage environments.

Health and safety: comply with safety standards in industries such as food and medicine.

Tearability (optional): Some gaskets are designed to be easy to tear, making it convenient for consumers to open.

2. Production process

Material Composite: Aluminum foil, heat sealing layer and other materials are compounded together with adhesive.

Printing: Printing patterns, text, or anti-counterfeiting marks on a printing layer.

Die cutting: Cut the material into gaskets according to the size and shape of the container mouth.

Testing and packaging: Conduct quality testing on the gasket, and package it for delivery after passing the inspection.

3. Application Fields

Food industry: used for packaging beverages, seasonings, milk powder, sauces, etc.

Pharmaceutical industry: used for sealing medicine bottles and cans to ensure drug safety.

Cosmetics industry: used for packaging of skin care products, perfume, etc. to prevent leakage and deterioration.

Other industries: such as chemical products, electronic components, and other fields that require sealing.

4. Select key points

Material selection: Choose food grade, pharmaceutical grade, or industrial grade materials according to the application scenario.

Size and shape: Ensure that the gasket size matches the container mouth and the shape is appropriate.

Functional requirements: such as high barrier properties, temperature resistance, tear resistance, etc.

Printing design: Ensure clear printing and ink safety.

Supplier Qualification: Select qualified and reputable suppliers.

5. Common problems and solutions

Poor sealing: Check if the heat sealing material matches the container opening, adjust the heat sealing temperature and time.

Poor tear resistance: Optimize the gasket structure and increase tear resistance design.

Printing detachment: Use ink with strong adhesion to ensure printing quality.