Labthink C660M Leak and Seal Strength Tester for Aluminum-Plastic Composite Gas Sampling Bags

Overview

The Labthink C660M Leak and Seal Strength Tester is an engineered precision instrument designed for quantitative evaluation of mechanical integrity and hermetic performance in flexible packaging systems. It operates on the positive-pressure inflation principle—applying controlled, regulated gas pressure to sealed packages while monitoring real-time pressure decay, deformation kinetics, and ultimate failure thresholds. This method enables direct measurement of seal strength, burst resistance, creep behavior, and leakage rate under standardized or application-specific conditions. The system is particularly suited for aluminum-plastic composite gas sampling bags, where residual seal integrity directly impacts analytical validity and sample stability during transport and storage. Its architecture supports both routine QC verification and advanced material-process development workflows across pharmaceutical, food, medical device, and environmental monitoring sectors.

Key Features

• Multi-mode pressure testing: Supports burst test, creep test, creep-to-burst test, and pressure-hold test—each configurable with either expansion-suppressed or expansion-unrestricted methodology (requires optional fixtures)
• Real-time inlet airflow monitoring: Patented flow control technology ensures consistent pressurization profiles even at elevated pressures (up to 1.6 MPa), minimizing inter-test variability and enhancing data reproducibility
• Industrial-grade capacitive touchscreen interface: Full-touch HMI with one-click operation, bilingual (English/Chinese) language support, and user-configurable unit system (kPa, psi, MPa)
• Robust data governance: Built-in non-volatile memory stores up to 1200 test records; supports password-protected multi-level user access, automatic timestamping, and audit-trail-capable data logging
• Regulatory-ready configuration options: Optional GMP-compliant computer system validation package and DataShield™ enterprise data integration module for seamless LIMS/ERP connectivity and 21 CFR Part 11 compliance
• Modular pneumatic design: Standard Φ10 mm inflation nozzle; optional micro-nozzles (Φ4 mm, Φ1.6 mm) enable precise pressurization of narrow-neck containers, blister cavities, and aerosol valve assemblies

Sample Compatibility & Compliance

The C660M accommodates a broad spectrum of package formats including aluminum-plastic composite gas sampling bags, three-side-sealed pouches, laminated stand-up pouches, plastic-coated paperboard cartons, sterile barrier systems (per ISO 11607), and primary pharmaceutical packaging (e.g., HDPE bottles, aluminum collapsible tubes, foil-laminated sachets). It meets mechanical testing requirements specified in ISO 11607-1/-2 (packaging for terminally sterilized medical devices), ASTM F1140 (internal pressurization of flexible packages), ASTM F2054 (burst testing of pouches), and multiple Chinese national standards (GB series) governing food contact materials, pharmaceutical packaging, and aerosol container integrity. All test methods are traceable to NIST-calibrated pressure transducers and certified per ISO/IEC 17025-accredited calibration protocols.

Software & Data Management

The embedded firmware delivers real-time graphical display of pressure vs. time curves, automatic peak detection, slope analysis for creep rate quantification, and pass/fail logic based on user-defined acceptance criteria. Data export is supported via USB mass storage or optional thermal printer. For laboratory-scale deployment, Labthink’s optional PC-based software provides enhanced statistical process control (SPC), batch trending, comparative analysis across material lots or sealing parameters, and PDF report generation compliant with GLP/GMP documentation requirements. The DataShield™ module enables encrypted, role-based cloud synchronization and API-driven integration with enterprise quality management systems (QMS), ensuring full data lineage from instrument acquisition to regulatory submission.

Applications

Primary applications include seal strength validation of heat-sealed aluminum-plastic gas sampling bags used in ambient air, VOC, or greenhouse gas monitoring; creep-to-failure assessment of soft-tube closures in topical pharmaceuticals; burst pressure determination for child-resistant closures on nutritional supplement bottles; leak quantification in peel-open blister packs per USP ; and mechanical stress evaluation of aerosol valve crimps in pesticide and personal care formulations. Extended use cases cover tri-seal pouch integrity, high-barrier foil laminate durability under vacuum resealing conditions, and creep relaxation behavior of ethylene-vinyl alcohol (EVOH)-based multilayer structures subjected to prolonged storage at elevated temperatures.

FAQ

What pressure ranges does the C660M support?
Standard configuration covers 0–600 kPa (0–87 psi); extended-range version supports up to 1.6 MPa (232 psi) with custom calibration and reinforced pressure vessel components.
Is an external air source required?
Yes—the instrument requires a clean, oil-free compressed air supply at 0.6–0.7 MPa (87–101 psi) delivered via Φ8 mm polyurethane tubing.
Can the C660M test blister packaging?
Yes—using optional micro-nozzle accessories and expansion-suppressed test mode, it performs quantitative burst testing on thermoformed PVC/PVDC or cold-form aluminum blisters per ASTM F1140 and ISO 11607-2.
Does the system meet FDA 21 CFR Part 11 requirements?
When equipped with the optional GMP Computer System Validation Package and DataShield™, the C660M supports electronic signatures, audit trails, and secure data archiving aligned with Part 11 and Annex 11 expectations.
How is calibration maintained?
Pressure sensors are calibrated using NIST-traceable deadweight testers; annual recalibration is recommended, and full calibration certificates (including uncertainty budgets) are issued per ISO/IEC 17025 guidelines.