O-Ring seals play a crucial role in ensuring the integrity of pharmaceutical packaging in compliance with the USP 661.20 standard. These seals are designed to provide a secure barrier against contamination and maintain the quality of the product inside the package.

USP 661.20 sets specific requirements for the materials, design, and performance of O-Ring seals used in pharmaceutical packaging. These seals must meet stringent criteria for biocompatibility, chemical resistance, and durability to ensure they do not adversely affect the quality, safety, or efficacy of the packaged product.

When selecting O-Ring seals for USP 661.20 applications, it is essential to consider factors such as compatibility with the packaging material, the type of drug being packaged, and the intended storage conditions. Proper selection and testing of O-Ring seals are critical to ensure they meet the necessary performance standards and maintain the integrity of the pharmaceutical packaging.