Resources
With our deep research and rich experience, we provide such resources for your better understanding about CCI and Zholion.
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![CCI Topic (1) | Understanding Container Sealing Integrity: The 'Gatekeeper' of Drug Safety]( "CCI Topic (1) | Understanding Container Sealing Integrity: The 'Gatekeeper' of Drug Safety")
CCI Topic (1) | Understanding Container Sealing Integrity: The 'Gatekeeper' of Drug Safety
An injection may undergo months or even years of storage and transportation from production to final injection into the patient's body. An injection may undergo months or even years of storage and transportation from production to final injection into the patient's body.
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![CCI Special Topic (II)| How to establish a full lifecycle container seal integrity control strategy?]( "CCI Special Topic (II)| How to establish a full lifecycle container seal integrity control strategy?")
CCI Special Topic (II)| How to establish a full lifecycle container seal integrity control strategy?
In the previous article, we learned about the importance of sealing integrity in pharmaceutical packaging and the regulatory requirements.
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![Case Study| Application of Laser Headspace Technology in PFS Packaging Development and Packaging Material Selection]( "Case Study| Application of Laser Headspace Technology in PFS Packaging Development and Packaging Material Selection")
Unlike standard glass syringes, prefilled syringes have two sealing points: one at the tip of the needle connection and another at the flange end where the piston is inserted.
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![Why Positive Controls Are Important in CCIT Studies]( "Why Positive Controls Are Important in CCIT Studies")
Why Positive Controls Are Important in CCIT Studies
In pharmaceutical and medical device packaging, Container Closure Integrity Testing (CCIT) is essential for confirming that a package can protect product sterility, quality, and stability throughout its lifecycle. During CCIT method development and validation, Positive Control Samples play a critical role in proving that the selected leak test method can reliably detect known defects.
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![How Does Laser Drilling Work in Positive Control?]( "How Does Laser Drilling Work in Positive Control?")
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![How to Align CCIT with USP <382> Requirements]( "How to Align CCIT with USP <382> Requirements")
How to Align CCIT with USP <382> Requirements
This guide outlines how to align Container Closure Integrity Testing (CCIT) with USP <382> requirements. It covers deterministic high-sensitivity methods (e.g., helium mass spectrometry), validation strategies to achieve MALL sterility at the 0.1–0.3 μm level, defect sample systems, and full lifecycle management—ensuring sterile barrier compliance for injectable drug packaging and biologics.
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![Materials Suitable for Laser-Drilled Positive Controls]( "Materials Suitable for Laser-Drilled Positive Controls")
Materials Suitable for Laser-Drilled Positive Controls
Choosing the right materials for laser-drilled positive controls is one of the most important steps for stable test results, repeatable hole quality, and fast production. The best material must support precision laser drilling, low burr formation, and consistent thickness across batches. For many buyers, the real question is not only "can it be drilled" but also "will it stay accurate in daily
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![Common Leak Sizes for Laser Drilled Positive Controls]( "Common Leak Sizes for Laser Drilled Positive Controls")
Common Leak Sizes for Laser Drilled Positive Controls
When buyers search for common leak sizes for laser drilled positive controls, they usually want one clear answer: what hole size gives a stable, repeatable leak rate? In practice, the best leak size depends on the test medium, pressure, material thickness, and target flow rate. For many customers, terms like leak rate, orifice diameter, and positive control calibration are the real search intent
