GBPI GBB-F90 Five-Point Heat Sealing Tester
| Brand | GBPI |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GBB-F90 |
| Price Range | USD 1,400 – 4,200 |
| Temperature Range | Ambient to 250 °C |
| Temperature Control Accuracy | ±1 °C |
| Sealing Time | 0.1–999.9 s |
| Sealing Pressure | 0.1–0.8 MPa |
| Sealing Surface | Five independent 35 mm × 10 mm upper sealing bars |
| Heating Mode | Electric heating with dual auto/manual operation |
| Actuation | Pneumatic (compressed air required) |
| Air Supply | Compressed air source (recommended: 2.5 HP, 8 bar) |
| Dimensions (L×W×H) | 730 × 400 × 535 mm |
| Weight | 35.6 kg |
| Power | 2000 W |
| Electrical Supply | AC 220 V, 50 Hz |
Overview
The GBPI GBB-F90 Five-Point Heat Sealing Tester is an engineered laboratory instrument designed for precise, multi-parameter thermal seal evaluation of flexible packaging materials. It operates on the principle of controlled heat-and-pressure-induced polymer chain interdiffusion at the interface of thermoplastic films—enabling quantitative determination of optimal sealing parameters including temperature, dwell time, and pressure. Unlike single-point seal testers, the GBB-F90 integrates five independently controllable heating zones across its upper sealing assembly, allowing simultaneous assessment of thermal sensitivity gradients or comparative seal integrity across discrete process windows. This architecture supports method development in accordance with internationally recognized standards—including ASTM F2029-2016 (Standard Test Method for Measuring Heat Seal Strength of Thermoplastic Films and Laminates), QB/T 2358-1998 (Chinese standard for plastic film heat seal strength), and YBB 00122003-2015 (Chinese pharmaceutical packaging standard). Its pneumatic actuation system ensures consistent force application and repeatable mechanical closure, critical for GLP-compliant quality control workflows in regulated environments.
Key Features
- Five independent temperature-controlled sealing zones (35 mm × 10 mm each), enabling parallel evaluation of thermal response profiles across a single sample strip or comparative testing of multiple material batches under varying conditions.
- Individual PID-based temperature regulation for each upper sealing bar and the lower sealing bar—supporting differential thermal profiling and empirical optimization of seal initiation thresholds.
- Pneumatic drive system powered by externally supplied compressed air (recommended supply: ≥8 bar, filtered and dried), delivering stable, non-variable sealing pressure from 0.1 to 0.8 MPa with minimal hysteresis.
- Dual operational modes: fully automated sequence control (pre-programmed time/temperature/pressure) and manual foot-switch activation for rapid prototyping or operator-guided parameter iteration.
- Modular sealing tooling design—upper and lower sealing elements are replaceable and customizable in geometry, surface finish (e.g., polished, matte, engraved), and anti-adhesion coating (e.g., PTFE-infused or ceramic-reinforced variants).
- Integrated temperature sensor calibration access port and traceable reference point—facilitating routine verification per ISO/IEC 17025 metrological requirements.
- Rugged steel frame construction with EMI-shielded power electronics and thermal isolation between heating zones to minimize cross-talk and ensure measurement stability over extended duty cycles.
Sample Compatibility & Compliance
The GBB-F90 accommodates a broad spectrum of thermoplastic packaging substrates—including polyethylene (LDPE, HDPE, LLDPE), polypropylene (CPP, BOPP), polyester (PET), aluminum foil laminates, and pharmaceutical-grade cold-form blister films. Its five-point configuration is especially suited for evaluating seal uniformity across wide-web or high-barrier structures where localized thermal variance may compromise package integrity. The instrument conforms to mechanical and electrical safety requirements outlined in IEC 61010-1 and supports test method validation under FDA 21 CFR Part 11 when paired with compliant data acquisition software (available as optional module). Documentation packages—including factory calibration certificates, traceable thermocouple verification reports, and IQ/OQ templates—are provided to support audit readiness in GMP, USP , and EU Annex 11 environments.
Software & Data Management
While the base GBB-F90 operates via intuitive front-panel controls with real-time digital display of setpoints and actual values, optional PC-based software (GBPI SealMaster v3.x) enables full protocol scripting, automated data logging (timestamped temperature/pressure/time), statistical analysis (mean, SD, Cp/Cpk), and PDF report generation compliant with ISO 15197 and ASTM E2500. All electronic records include user authentication, change history, and electronic signature capability—meeting ALCOA+ principles for data integrity. Raw data export is supported in CSV and XML formats for integration into LIMS or enterprise QMS platforms.
Applications
- Development and validation of heat seal parameters for sterile barrier systems (SBS) used in medical device packaging (ISO 11607-2).
- Quality assurance testing of pharmaceutical blister lidding foils and pouch seals per YBB 00122003-2015 and USP .
- Root cause analysis of seal failures—delamination, channeling, or incomplete fusion—in food and beverage retort pouches.
- Comparative evaluation of sealant layer performance across coextruded or adhesive-laminated structures.
- Process window definition for vertical form-fill-seal (VFFS) and horizontal form-fill-seal (HFFS) packaging lines.
- Accelerated aging studies correlating initial seal strength with post-storage integrity under thermal/humidity stress.
FAQ
What compressed air specifications are required for reliable operation?
Minimum supply pressure: 6–8 bar (87–116 psi); flow rate: ≥120 L/min at 7 bar; must include three-stage filtration (particulate, oil, moisture) to prevent pneumatic valve clogging and seal bar contamination.
Can the sealing bars be calibrated independently?
Yes—each of the five upper sealing bars and the lower bar features a dedicated PT100 RTD sensor with individual calibration offset adjustment accessible via service mode, supporting NIST-traceable verification.
Is the instrument suitable for use in cleanroom environments?
The GBB-F90 meets ISO Class 8 (Class 100,000) particulate emission limits when operated with filtered air supply and equipped with optional stainless-steel enclosure upgrade; however, standard configuration is rated for general laboratory use (ISO 14644-1 Class 9).
Does GBPI provide installation qualification (IQ) documentation?
Yes—standard delivery includes IQ checklist, site preparation guide, and electrical/pneumatic utility verification forms. Full qualification support (IQ/OQ/PQ) is available as a commissioned service.
What maintenance intervals are recommended?
Monthly visual inspection of sealing bar surfaces and pneumatic fittings; quarterly cleaning of air filter regulators and thermocouple contact points; annual recalibration of all temperature and pressure transducers by accredited third-party lab or GBPI-certified technician.
