What is cold aluminum?
Cold aluminum is a commonly used composite material, the full name of which is cold-formed aluminum. It is a composite material that is not heated and stamped. It is characterized by good processing performance and plasticity. Because the chemical properties of the elements it contains are stable and not easily affected by the external environment, it is widely used in the manufacture of pharmaceutical packaging and other fields. In the pharmaceutical industry, pills and tablets and other drugs need to be protected by high-quality packaging materials, and cold aluminum has become one of the first choices.
Cold-formed aluminum foil is a composite material with high barrier properties. After cold stamping, it can replace the PTP blister packaging of the PVC part, which can greatly improve the protection of drugs (tablets, pills, capsules) and extend the shelf life. In today's pill and tablet packaging, cold aluminum packaging is increasingly used.
What are the advantages of cold aluminum blister packaging?
1. Moisture-proof performance: effectively isolate air and moisture, reduce the risk of drugs getting damp, and improve stability and storage life.
2. Sealing performance: resist external pressure and protect the safety of drugs during storage and transportation.
3. Aesthetics: It has the characteristics of glossiness and easy printing, which is convenient for labeling and promotion.
4. Formability: Cold-formed aluminum foil can be stretched into a cavity of complex shape through a mold, which can accurately adapt to drugs of different sizes and shapes
Cold aluminum VS hot aluminum
| Features | Cold Formed Aluminum Foil | Thermoformed Aluminum Foil |
| Barrier properties | Complete barrier (light, air, water, moisture) | Partial barrier (mainly relying on PVC and thin aluminum layer) |
| Applicable drug types | Moisture-sensitive, light-sensitive, oxygen-sensitive drugs | General drugs |
| Molding complexity | Can be stretched into more complex shapes | Shape is relatively simple |
| Material strength | Higher puncture resistance | Lower strength |
| Cost | Higher | Lower |
There are cold forming processes and hot forming processes in the processing of medicinal foil. Why is the cold forming process more widely used in the processing of medicinal foil?
MC Aluminum is a large-scale cold-formed aluminum foil substrate manufacturer, supplying 8021 aluminum foil, 8079 aluminum foil, etc., with the advantages of high heat sealing strength, no pinholes, and good sealing performance. It is a raw material supplier for domestic and foreign pharmaceutical packaging manufacturers and is highly trusted by customers.