GBPI GB-F1 Inclined-Plane Coefficient of Friction Tester
| Brand | GBPI |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | GB-F1 |
| Pricing | Upon Request |
Overview
The GBPI GB-F1 Inclined-Plane Coefficient of Friction Tester is a precision-engineered instrument designed for the quantitative determination of static and kinetic coefficients of friction (COF) under controlled angular inclination. It operates on the fundamental principle of gravitational force resolution along an adjustable inclined plane: as the angle of inclination increases incrementally, the component of gravitational force parallel to the surface eventually overcomes the maximum static frictional resistance, initiating relative motion between the test specimen and the counter-surface. The onset angle (θs) yields the static COF (μs = tan θs), while sustained motion at a stabilized angle provides the kinetic COF (μk = tan θk). This method—standardized in ASTM D1894, ASTM D202, ASTM D4918, and TAPPI T815—ensures high reproducibility for quality control in packaging material development, production line validation, and regulatory compliance testing.
Key Features
- Motor-driven, programmable angular ramping from 0° to 85° with 0.01° resolution and adjustable angular velocity (0.1–10 °/s), enabling precise control over acceleration profiles and slip initiation detection.
- High-accuracy load cell with ≤0.1% full-scale (FS) linearity, integrated signal conditioning and real-time analog-to-digital conversion for robust force measurement during transition events.
- Dual-mode operation: standalone testing via built-in 7-inch capacitive touchscreen interface or PC-connected mode with comprehensive software suite.
- Modular slide block configuration supporting standardized masses (200 g, 235 g ±10 g, 1300 g) and dimensions (63.5 × 63.5 mm, 63 × 75 × 25 mm, 90 × 100 mm); custom mass configurations available upon request.
- Automated platform reset and zero-point calibration routines ensure repeatability across sequential test cycles without manual intervention.
- Fully compliant with Annex 11 (EU GMP) and FDA 21 CFR Part 11 requirements: role-based user authentication, electronic audit trail (including operator ID, timestamp, parameter changes, and result modifications), and immutable data logging.
- Embedded statistical engine supporting mean, standard deviation, CV%, and outlier detection across multi-run datasets; exportable to CSV, PDF, and XML formats.
Sample Compatibility & Compliance
The GB-F1 accommodates a broad spectrum of planar materials used in packaging, printing, and industrial manufacturing—including polymeric films (BOPP, PET, PE, CPP), laminates, metallized foils, aluminum sheets, rubber sheets, ceramic tiles, paperboard, nonwovens, woven sacks, and printed substrates. All measurements adhere to internationally recognized standards: ASTM D1894 (plastic film and sheeting), ASTM D202 (rubber), ASTM D4918 (coated fabrics), ISO 8295 (plastics—determination of COF), and TAPPI T815 (paper and paperboard). Instrument validation documentation supports GLP/GMP laboratory accreditation and third-party audit readiness.
Software & Data Management
The GBPI SmartTest™ software provides intuitive graphical workflow navigation, real-time force-angle curve visualization, automatic peak detection for μs, and dynamic plateau analysis for μk. It supports configurable test protocols (e.g., dwell time before ramping, number of replicate cycles, pass/fail thresholds), digital signature capture for report approval, and seamless integration with enterprise LIMS via HL7 or RESTful API. Audit logs are encrypted and time-stamped, recording every system event—including login attempts, parameter edits, data exports, and firmware updates—for full traceability. Data integrity is preserved through write-once-read-many (WORM) storage policies and optional cloud backup synchronization.
Applications
- Quantifying slip performance of food-grade flexible packaging to prevent jamming in high-speed filling lines.
- Evaluating anti-block additives in blown films and optimizing masterbatch formulations.
- Validating surface treatment efficacy (e.g., corona, plasma, silicone coating) on release liners and medical pouches.
- Assessing friction consistency across roll-to-roll production batches per ISO 9001 process control requirements.
- Supporting root-cause analysis in packaging line stoppages related to feed instability or misalignment.
- Generating technical dossiers for regulatory submissions (e.g., FDA Food Contact Notifications, EU Plastics Regulation EC No. 10/2011).
FAQ
What standards does the GB-F1 comply with?
ASTM D1894, ASTM D202, ASTM D4918, ISO 8295, TAPPI T815, and GB/T 10006.
Can the instrument operate without a connected computer?
Yes—the integrated touchscreen enables full test execution, real-time curve display, and on-device data storage and reporting.
Is audit trail functionality enabled by default?
Yes—electronic audit logging is active upon system initialization and cannot be disabled; all user actions are recorded chronologically with cryptographic hashing.
How is data security ensured during remote access via IoT platform?
TLS 1.2+ encryption, OAuth 2.0 authentication, session timeout enforcement, and role-based data visibility controls ensure secure remote operation and monitoring.
Are calibration certificates traceable to national metrology institutes?
Yes—optional NIST-traceable calibration certificates (ISO/IEC 17025 accredited) are available upon request, including uncertainty budgets and calibration intervals.
