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Comprehensive packaging inspection solution: integrated quality control system for steam/oxygen/sealing performance
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The core of the comprehensive packaging inspection solution is to build a trinity quality control system covering water vapor transmittance, oxygen permeability, and sealing performance, achieving full-chain quality monitoring from materials to finished product packaging. It is widely used in the food, pharmaceutical, medical device, and new energy sectors.
1. Overall Quality Control System for Packaging Materials
| Testing items | Core indicators | Key standards | Application value |
| Water vapor transmission rate (WVTR) | g/(m²·24h) | ASTM F1249, GB/T 26253, ISO 15106-2 | Prevents product moisture and deterioration, ensuring the stability of dried foods and pharmaceuticals |
| Oxygen Transmittance (OTR) | cm³/(m²·24h·atm) | GB/T 19789, ASTM D3985, ISO 15106-1 | Inhibits oxidation reactions and extends shelf life for oily foods and easily oxidized medicines |
| Sealing performance | Leakage rate (Pa·m³/s) or qualitative determination | GB/T 15171-1994, ASTM D3078, USP <1207> | Ensure packaging integrity to prevent microbial intrusion and leakage of contents |
2. Systematic Testing Process Design
1. Incoming material inspection stage
OTR and WVTR testing are conducted on raw materials such as plastic films, composite films, and aluminum foil to ensure their barrier performance meets design requirements.
Recommended equipment: Zhongsheng Electromechanical oxygen/water vapor transmittance testing system, supports independent three-chamber testing, allowing simultaneous comparison of multiple materials.
2. Central Control and Process Validation Stage: After packaging and molding, perform sealing performance sampling to verify the stability of processes such as heat sealing and lamination.
Example method: The micro-leak seal tester LEAK-M uses the vacuum attenuation method (based on GB/T 15171-1994), detecting leaks by vacuuming and observing bubbles or pressure changes.
3. Final inspection and compliance certification stage of finished products
Comprehensive barrier and sealing verification is conducted on the final packaging (such as medicine bottles, food bags, battery aluminum-plastic films), simulating actual storage conditions (temperature 23°C, humidity 50% RH or higher). Expandable container testing modules can directly test key areas such as bottle mouths and bag seals.
3. Technological Advantages and Industry Value
(1) Efficient collaboration: The complete set of packaging material testing instruments for the mass testing machine can achieve physical reliability testing such as oxygen + water vapor + sealing.
(2) Data compliance: The system automatically records test curves, environmental parameters, and result reports, complying with GMP, FDA 21, CFR Part 11, and other regulatory requirements, supporting data export and LIMS integration.
(3) Intelligent Early Warning: Features baseline correction, standard external membrane calibration, and power outage protection to ensure long-term operational stability and reduce human error risks.
(4) All-scenario adaptation: Not only suitable for film sheets, but also expandable to complex packaging forms such as bottles, bags, blisters, Tetra Pak packs, and battery casings.
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