Choosing the Right Instrument for High Barrier Material Testing
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Choosing the Right Instrument for High Barrier Material Testing - 1

Labthink Instruments Co., Ltd. info@labthink.com +86-531-85068566 Choosing the Right Instrument for High Barrier Material Testing High barrier materials are becoming increasingly popular in packaging due to their excellent performance. However, testing these materials presents unique challenges. This article explores the key considerations for selecting instruments to test high barrier materials. Challenges of Testing High Barrier Materials • • Low gas transmission rate: This necessitates instruments with exceptional sealing performance and highly sensitive sensors. Long time to reach equilibrium: Reaching stable readings can take hours, requiring instruments with stable system zero and minimal environmental interference. Key Instrument Selection Criteria • • • Sealing performance: Leakage is a major concern, so instruments need excellent seals and proper specimen clamping techniques. Sensor precision: Highly precise sensors are crucial for accurate measurements of low gas transmission rates. System zero stability: Consistent system zero minimizes errors, especially for high barrier materials. Environmental controls: Temperature, humidity, and vibration can significantly impact results. Choose instruments that can monitor and control these f

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Choosing the Right Instrument for High Barrier Material Testing - 2

Labthink Instruments Co., Ltd. info@labthink.com +86-531-85068566 Specific Considerations for Different Testing Methods • • • • Differential-pressure method: Look for instruments with a low testing limit, high vacuum degree, and environmental control capabilities. Equal-pressure method: Focus on instruments with a low testing limit, environmental controls, and gas source handling capabilities. Weighing method: Opt for automated instruments with a low testing limit, environmental controls, and vibration monitoring. Sensor method: Electrolytic sensors offer better stability compared to...

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