Labthink C630H Pharmaceutical Foil Heat Sealing Tester
| Brand | Labthink |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Regional Category | Domestic |
| Model | C630H |
| Price Range | USD 4,200 – 9,800 |
| Heat Seal Temperature Range | 25–300 °C |
| Heat Seal Pressure Range | 0.05–0.7 MPa |
| Pressure Resolution | 0.001 MPa |
| Seal 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 Heads | ≤20 °C |
| Seal Area per Head | 40 mm × 10 mm |
| Number of Independent Seal Heads | 10 (5 upper + 5 lower, individually temperature-controlled) |
| Power Supply | 220 VAC ±10%, 50 Hz or 120 VAC ±10%, 60 Hz |
| Net Weight | 55 kg |
| Dimensions (L×W×H) | 375 × 360 × 518 mm |
| Air Supply Requirement | 0.7 MPa dry compressed air (user-supplied, Ø8 mm polyurethane tubing) |
Overview
The Labthink C630H Pharmaceutical Foil Heat Sealing Tester is a precision-engineered instrument designed to characterize the thermal sealing behavior of pharmaceutical packaging materials under controlled, reproducible conditions. It operates on the principle of contact heat sealing—applying calibrated combinations of temperature, pressure, and dwell time to initiate polymer chain mobility at the interface of thermoplastic layers, thereby forming a cohesive seal. This process directly reflects real-world packaging line performance for blister lidding, cold-form foil, pouch sealing, and tube tail closure. The C630H is specifically validated for use with aluminum foil laminates, plastic films, coated papers, coextruded structures, metallized substrates, and multi-layer composites commonly employed in primary and secondary pharmaceutical packaging. Its design aligns with critical quality attributes defined in ICH Q5C, USP , and ISO 15378 for container-closure integrity and process validation.
Key Features
- Ten independently controlled metal-seal heads (five upper, five lower), each with P.I.D. temperature regulation enabling simultaneous multi-condition testing across a 25–300 °C range with ±0.2 °C stability and ±0.5 °C accuracy (single-point calibrated).
- Auto-leveling seal head mechanism ensures uniform thermal contact and mechanical alignment across all five test stations, eliminating edge effects and improving inter-head repeatability (RSD <1.8% per ASTM F2029).
- Dual-mode actuation: manual touchscreen initiation and foot-pedal operation—both integrated with hardware-based safety interlocks that deactivate heating elements upon lid opening or abnormal pressure deviation.
- True constant-pressure pneumatic system (0.05–0.7 MPa, resolution 0.001 MPa) with closed-loop feedback, eliminating manual regulator adjustments and ensuring force consistency regardless of ambient temperature or supply fluctuations.
- Modular seal face design supports interchangeable smooth or embossed surfaces (custom geometries available), accommodating flat films, textured foils, and tubular end-sealing applications without tooling changeover.
- Embedded industrial-grade computing platform featuring a 10.1″ capacitive touchscreen, real-time graphical parameter monitoring, and deterministic response latency (<150 ms) for critical timing control down to 0.01 s resolution.
Sample Compatibility & Compliance
The C630H accommodates standardized specimens per ASTM F2029 (heat seal strength of flexible barrier materials), QB/T 2358 (plastic film heat seal strength), and YBB 00122003 (Chinese pharmacopoeial standard for aluminum foil used in pharmaceutical packaging). It supports planar films (e.g., PVC/PVDC/aluminum laminates), semi-rigid blisters, laminated papers, and cylindrical soft-tube terminations. All thermal and mechanical parameters are traceable to NIST-traceable references. Optional GMP-compliant configuration includes 21 CFR Part 11–enabled audit trail logging, electronic signatures, role-based access control, and DataShield™ secure data vaulting—fully compatible with LIMS and MES integration via Ethernet or USB 2.0 interfaces. Calibration certificates are provided with each unit, and annual recalibration services adhere to ISO/IEC 17025-accredited procedures.
Software & Data Management
The proprietary SealMaster™ software provides intuitive workflow navigation—from method setup and real-time parameter visualization to post-test analysis and report generation. Users define up to 99 test protocols with named profiles, including temperature ramp rates, hold times, pressure profiles, and pass/fail criteria. Raw data (timestamped temperature, pressure, and time vectors) are stored locally in encrypted SQLite databases and exportable in CSV, PDF, or XML formats compliant with ALCOA+ principles. Multi-group comparative analysis tools enable statistical evaluation (mean, SD, CV%, min/max) across batches or material lots. Optional DataShield™ module enables centralized, role-restricted access to historical datasets across networked instruments, supporting trend analysis, CAPA documentation, and regulatory inspection readiness.
Applications
- Optimization of blister lidding parameters for PVC/PVDC- and cold-form aluminum foil-based systems.
- Validation of heat seal integrity for child-resistant and senior-friendly peel-open pouches (e.g., sachets, stick packs).
- Characterization of seal initiation temperature (SIT) and hot tack development in extrusion-coated paperboard cartons.
- Assessment of thermal degradation thresholds during sealing of high-barrier EVOH or SiOx-coated films.
- Development support for novel bio-based or recyclable mono-material laminates requiring low-energy sealing profiles.
- Root-cause analysis of delamination, channeling, or weak seals observed in production-line packaging failures.
FAQ
What standards does the C630H comply with?
ASTM F2029, QB/T 2358, YBB 00122003, ISO 15378 Annex A (for GMP-configured units), and ISO/IEC 17025 for calibration traceability.
Is compressed air supplied with the instrument?
No—users must provide clean, dry, oil-free compressed air at 0.7 MPa via Ø8 mm polyurethane tubing (included); an external air compressor is optional.
Can the C630H perform hot tack testing?
Yes—by configuring variable dwell times and immediate peel testing within the same thermal cycle, it supports hot tack curve generation per ASTM F1921.
How is data integrity ensured in regulated environments?
Through optional 21 CFR Part 11–compliant firmware, electronic signature workflows, immutable audit trails, and DataShield™ encrypted storage with centralized policy enforcement.
What maintenance is required for long-term accuracy?
Annual verification of temperature sensors and pressure transducers using certified reference standards; routine cleaning of seal faces with isopropyl alcohol and visual inspection of pneumatic fittings.
