Why is aluminum foil often used in tablet packaging?

1. Excellent barrier properties

• Moisture-proof: Aluminum foil is a water-impermeable material that can effectively prevent drugs from being damaged by moisture and humidity, and keep the drugs dry and stable. This is especially important for many drugs that are susceptible to moisture, such as capsules, effervescent tablets, film-coated tablets, etc. Once they are exposed to moisture, the efficacy will be reduced, and they may even deteriorate and mold.
• Anti-oxidation: Aluminum foil packaging can reduce oxygen contact, thereby reducing the risk of drug oxidation. By isolating oxygen to slow down the oxidation rate of drugs, such as vitamin C tablets, coenzyme Q10 and other easily oxidized drugs can be stored in this way.
• Light-proof: Aluminum foil also has good light-shielding properties, which can protect light-sensitive drugs from being damaged by ultraviolet rays. For example, drugs such as nifedipine tablets and chlorpromazine hydrochloride tablets that need to be stored in a cool place can be packaged in aluminum foil to ensure that they are not affected by light during storage.

2. Protect drug quality

• Extend shelf life: Aluminum foil packaging can delay the interaction between drugs and the external environment, thereby extending the shelf life of drugs. This is especially important for drugs such as biologics that need to be stored for a long time.
• Maintain active ingredients: Aluminum foil packaging helps maintain the active ingredients and efficacy of drugs, preventing them from decomposing or deteriorating during storage.

3. Easy to use

• Easy to produce and disassemble: Aluminum foil has good calendering properties and is relatively easy to produce and disassemble. When taking medicine, patients can easily tear open the aluminum foil package to take out the tablets.
• Humanized design: Aluminum foil medicine plates often adopt humanized designs, such as the design with a groove in the middle to prevent the tablets from being crushed, while facilitating patients to divide and count medicines.

4. Safety and hygiene

• Antibacterial: The surface of aluminum foil is relatively smooth and not easy to carry bacteria, thus ensuring the hygiene of medicines.
• Anti-counterfeiting: Aluminum foil packaging can also be used for anti-counterfeiting packaging, through specific printing technology and logos, to ensure the authenticity and safety of medicines.

 5. Aesthetics and corporate publicity

Good printing suitability: Medicinal aluminum foil has good printing suitability. Text or patterns of various colors can be printed on the light and dark sides of the aluminum foil, which is both beautiful and helpful for corporate publicity.

In summary, aluminum foil materials have been widely used in tablet packaging due to their excellent barrier properties, protection of drug quality, convenience of use, safety and hygiene, as well as aesthetics and corporate publicity.

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