Labthink C630H Heat Sealing Tester for BOPP, Cigarette Packaging, and Flexible Packaging Films
| Brand | Labthink |
|---|---|
| Model | C630H |
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Temperature Range | 25–300 °C |
| Sealing Pressure Range | 0.05–0.7 MPa |
| Pressure Resolution | 0.001 MPa |
| Sealing Time Range | 0.1–999.99 s |
| Time Resolution | 0.01 s |
| Temperature Resolution | 0.1 °C |
| Temperature Stability | ±0.2 °C |
| Temperature Accuracy | ±0.5 °C (single-point calibration) |
| Temperature Gradient Across Sealing Heads | ≤20 °C |
| Sealing Surface Dimensions | 40 mm × 10 mm |
| Number of Independent Sealing Heads | 10 (5 upper + 5 lower, each individually temperature-controlled) |
| Power Supply | 220 VAC ±10%, 50 Hz or 120 VAC ±10%, 60 Hz |
| Net Weight | 55 kg |
| Overall Dimensions | 375 mm (L) × 360 mm (W) × 518 mm (H) |
| Air Source Interface | Ø8 mm polyurethane tubing |
| Required External Air Supply | 0.7 MPa clean, dry compressed air |
Overview
The Labthink C630H Heat Sealing Tester is an engineered solution for quantitative evaluation of heat seal integrity in flexible packaging materials—specifically designed for BOPP films, cigarette overwrap, laminated pouches, coated papers, and multi-layer coextruded structures. It operates on the principle of controlled thermal compression, where precise combinations of temperature, pressure, and dwell time are applied to simulate industrial sealing conditions. The instrument delivers reproducible, traceable seal performance data critical for process validation, material qualification, and quality control in regulated packaging environments. Its dual-zone, five-pair independently controlled sealing heads enable parallel comparative testing under varying thermal profiles—essential for establishing optimal sealing windows and identifying marginal process boundaries.
Key Features
- Five independent upper/lower sealing head pairs (10 total), each with individual PID temperature control and real-time digital monitoring—enabling simultaneous multi-parameter heat seal trials across a single sample strip.
- Auto-leveling sealing head mechanism ensures uniform contact pressure distribution across the full 40 mm × 10 mm sealing surface, eliminating edge-effect bias and improving inter-laboratory reproducibility.
- High-resolution pneumatic pressure regulation (0.001 MPa resolution) with closed-loop auto-hold functionality eliminates manual adjustment drift and maintains setpoint stability throughout the sealing cycle.
- Dual activation modes: ergonomic foot switch for hands-free operation and tactile front-panel button—both integrated with hardware-based safety interlocks that disable heating and pressure actuation when access doors are open.
- Embedded industrial-grade computing platform featuring a 10.1-inch capacitive touch display, intuitive workflow-driven GUI, and local non-volatile storage—designed for use in ISO Class 7 cleanrooms and GMP-compliant packaging labs.
- Modular sealing head design allows rapid field replacement of heated surfaces—including flat, embossed, and custom-profiled interfaces—supporting both smooth-film and textured-material evaluations per ASTM F2029 Annex A2.
Sample Compatibility & Compliance
The C630H accommodates standard film specimens (≥100 mm × 100 mm) as well as non-planar geometries including plastic tube ends and folded pouch corners—validated for use with polypropylene (BOPP), PET/PE laminates, metallized CPP, aluminum foil composites, and barrier-coated papers. All operational parameters comply with the physical test requirements of ASTM F2029 (Standard Test Method for Making Heat-Sealed Packages for Testing), QB/T 2358 (Chinese national standard for plastic film heat seal strength), and YBB 00122003 (Chinese pharmaceutical packaging standard for heat seal integrity). Optional GMP-compliant configuration includes audit-trail-enabled software, electronic signature support, and 21 CFR Part 11–ready data export—fully aligned with FDA-regulated pharmaceutical and medical device packaging validation protocols.
Software & Data Management
The embedded operating system provides full-cycle test management: from parameter definition and method recall to real-time curve visualization (temperature vs. time, pressure vs. time) and post-test analysis. Raw datasets—including all sensor timestamps, setpoints, and actual measured values—are stored locally in encrypted binary format and exportable via USB 2.0 or Ethernet (RJ45) in CSV or PDF report formats. Optional DataShield™ integration enables centralized database synchronization, role-based user access control, and automated metadata tagging (e.g., operator ID, batch number, environmental conditions). All software modules undergo annual verification per IEC 62304 Class B medical device software standards, ensuring deterministic execution and absence of runtime exceptions during qualification runs.
Applications
- Determination of optimal sealing temperature window for BOPP-based cigarette overwrap films under variable line-speed conditions.
- Comparative evaluation of seal initiation temperature (SIT) and hot tack strength decay profiles across PE-based extrusion coatings.
- Validation of seal integrity at low-pressure, high-temperature conditions used in form-fill-seal equipment for sterile barrier systems.
- Assessment of seal degradation kinetics following accelerated aging (40 °C/75% RH) per ISO 11607-2 Annex D.
- Root-cause analysis of delamination failures in retortable pouch laminates by correlating seal strength with interlayer adhesion metrics.
FAQ
Does the C630H support validation documentation per IQ/OQ/PQ protocols?
Yes—Labthink provides comprehensive validation documentation packages including URS, FAT/SAT reports, calibration certificates traceable to NIST standards, and pre-qualified test methods aligned with ASTM and ISO guidelines.
Can the instrument be integrated into a LIMS or MES environment?
With optional DataShield™ and Ethernet connectivity, the C630H supports HL7, ASTM E1384, and custom REST API integration for bidirectional data exchange with enterprise laboratory systems.
Is external compressed air supply mandatory?
Yes—the unit requires a clean, oil-free, desiccated air source delivering stable 0.7 MPa pressure through an Ø8 mm polyurethane tube; no internal compressor is included.
What maintenance intervals are recommended for long-term accuracy?
Annual thermocouple calibration and quarterly pressure transducer verification are advised; Labthink offers certified service contracts with on-site technician support.
Are custom sealing jaw geometries available for non-standard packaging formats?
Yes—Labthink’s engineering team provides application-specific jaw design and manufacturing services, including tapered, curved, and multi-zone thermal zoning configurations.
