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With the continuous improvement of various production processes, high-density polyethylene materials are processed into a variety of high-density polyethylene bottles used in various industries. Among the many application fields, pharmaceutical packaging is a relatively special area.High-density polyethylene is non-toxic, odourless, and has a waxy feel, offering excellent low-temperature performance, can be used in environments ranging from -70 to 100°C, is resistant to corrosion from most acids and bases, has good flexibility, is lightweight and not easily breakable. Pharmaceutical packaging is generally divided into two main categories: solid and liquid. High-density polyethylene bottles can be used for packaging both solid medicines and liquid medicines. Some liquid medicines decompose easily when exposed to light, so brown bottles are made by adding colour masterbatch to better protect the medicines. Solid medicines are prone to deterioration when damp, so high-density polyethylene bottles used for solid medicine packaging will have desiccants added inside to keep the interior environment dry and protect the stability of the medicines.Pharmaceutical packaging plays an important role in the safety and efficacy of medicines. For high-density polyethylene bottles used for solid and liquid medicine packaging, the industry has also established corresponding quality standards, detailing specifications and testing methods for indicators such as the appearance of the bottles, leachables, drop resistance, and abnormal toxicity, ensuring that the packaging quality meets the standard requirements.High-density polyethylene bottles are currently one of the common types of packaging in the pharmaceutical industry. In addition, packaging made from polymer materials such as polyester bottles and polypropylene bottles also has a certain scope of application in the pharmaceutical packaging field. Whether more innovative packaging will emerge in the future remains to be seen.
