Labthink CZY-8SB Pharmacopoeia-Compliant Tack Hold Tester for Transdermal Patches and Topical Adhesives
| Brand | Labthink |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | CZY-8SB Pharmacopoeia Tack Hold Tester |
| Price Range | USD 1,400 – 7,000 |
| Instrument Category | Tack Hold Tester |
| Test Principle | Vertical static load adhesion retention measurement per pharmacopoeial method |
| Standards Compliance | Chinese Pharmacopoeia (2015 Edition), USP <1207>, ISO 29862:2017, ASTM D3654/D3654M |
| Temperature Control Option | Optional precision thermal chamber (23 °C ± 0.5 °C or 38 °C ± 0.5 °C) with Labthink’s proprietary active cooling technology |
| Test Stations | 8 independent vertical test positions |
| Load Application | 1000 g ± 10 g (including loading plate) |
| Standard Roller | 2000 g ± 50 g |
| Test Plate C Dimensions | 125 mm × 125 mm × 1.7 mm (16 pcs supplied) |
| Timing Range | 0–9999 h 59 min 59 s |
| Environmental Monitoring | Integrated temperature/humidity sensor with real-time curve logging |
| Data Storage Capacity | 1200 test records (onboard non-volatile memory) |
| Power Supply | 220 VAC ±10% / 50 Hz or 120 VAC ±10% / 60 Hz |
| Net Weight | 25 kg |
| Dimensions (L×W×H) | 900 × 315 × 544 mm |
| Interface Options | USB 2.0, optional thermal printer, optional DataShield™ data management system |
| Software Compliance | Audit trail, electronic signature, user role-based access control (21 CFR Part 11 ready with optional GMP-compliant software package) |
Overview
The Labthink CZY-8SB Pharmacopoeia-Compliant Tack Hold Tester is a dedicated static adhesion retention measurement system engineered for regulatory-grade evaluation of transdermal patches, medicated plasters, topical adhesive dressings, and pressure-sensitive pharmaceutical films. It operates on the principle of vertical static load application—where a standardized test specimen, mounted on a rigid stainless-steel plate (Test Plate C per Chinese Pharmacopoeia), is subjected to a defined gravitational force (1000 g ± 10 g) under controlled environmental conditions. The instrument quantifies either the displacement (in mm) after a predetermined dwell time or the total time elapsed until complete debonding occurs. This methodology aligns directly with the gravimetric tack hold assessment protocol specified in the Chinese Pharmacopoeia (2015 Edition), Chapter 0952 “Adhesive Strength Tests”, and is technically harmonized with USP “Packaging—Primary Packaging”, ISO 29862:2017 “Adhesives — Determination of peel resistance and tack hold”, and ASTM D3654/D3654M “Standard Test Method for Shear Adhesion of Pressure-Sensitive Tapes”. Its eight parallel test stations enable statistically robust batch evaluation while maintaining strict inter-test consistency.
Key Features
- Eight independent vertical test channels with synchronized timing and individual failure detection logic
- High-precision electro-inductive displacement sensing across full travel range, enabling sub-millimeter resolution for early-stage creep analysis
- Real-time environmental monitoring: integrated calibrated sensor logs ambient temperature (±0.3 °C) and relative humidity (±2% RH) throughout each test cycle; data plotted as overlayable time-series curves
- Multi-mode operation: supports both time-fixed displacement measurement and displacement-triggered time-to-failure recording
- Thermal stability architecture: optional integrated thermal chamber utilizes Labthink’s proprietary active cooling technology to maintain setpoints at 23 °C ± 0.5 °C or 38 °C ± 0.5 °C—critical for simulating storage and skin-contact conditions without external HVAC dependency
- Industrial-grade 7-inch capacitive touchscreen interface with haptic feedback, supporting both English and Simplified Chinese languages
- Onboard data integrity safeguards: automatic power-fail recovery, cyclic redundancy check (CRC)-verified storage, and timestamped audit logs for every test initiation, modification, and export event
Sample Compatibility & Compliance
The CZY-8SB accommodates standard medicinal patch formats up to 125 mm × 125 mm, including hydrocolloid dressings, rubber-based plasters, polyacrylate matrix transdermals, and silicone-adhesive wound covers. All mechanical components—including the 2000 g ± 50 g standard roller, 1000 g ± 10 g loading mass, and 16 supplied Test Plate C units—conform dimensionally and tolerancially to Chinese Pharmacopoeia specifications. The system supports full traceability requirements under GMP Annex 11 and FDA 21 CFR Part 11 when configured with the optional GMP-compliant software module, which delivers role-based user authentication, electronic signatures, immutable audit trails, and configurable retention policies. Validation documentation (IQ/OQ/PQ templates) and calibration certificates traceable to NIM (National Institute of Metrology, China) are available upon request.
Software & Data Management
The embedded firmware provides local data management with 1200-record non-volatile memory capacity. Raw and processed results—including maximum/minimum/average displacement, time-to-failure, environmental deviation alerts, and operator ID—are stored with ISO 8601 timestamps. USB 2.0 host port enables direct export of CSV-formatted reports compatible with LIMS, ELN, and statistical process control platforms. Optional DataShield™ software extends functionality to centralized data aggregation, cross-instrument trend analysis, automated report generation (PDF/XLSX), and secure API-based integration with enterprise quality management systems (QMS). All software modules comply with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) for regulated environments.
Applications
- Quality control release testing of transdermal drug delivery systems per pharmacopoeial monographs
- Stability studies assessing adhesive performance degradation under accelerated aging conditions
- Formulation development support for pressure-sensitive adhesives used in medical devices
- Comparative benchmarking of generic vs. reference listed drug (RLD) patch adhesion profiles
- Process validation of coating, laminating, and slitting operations affecting cohesive strength
- Regulatory submission dossier preparation (e.g., ANDA, MA, CTD Module 3) requiring documented tack hold reproducibility
FAQ
Does the CZY-8SB meet international pharmacopoeial standards beyond the Chinese Pharmacopoeia?
Yes—it is functionally aligned with USP , ISO 29862:2017, and ASTM D3654/D3654M, with mechanical tolerances and procedural logic validated against all three.
Can test data be exported in formats compliant with 21 CFR Part 11?
Yes—when equipped with the optional GMP software package, the system provides full electronic signature capability, audit trail generation, and user permission hierarchies required for Part 11 compliance.
Is temperature and humidity control built-in or an add-on option?
Standard configuration includes environmental monitoring only; precise thermal regulation (23 °C or 38 °C) requires the optional thermostatic chamber module, which integrates active cooling and PID-controlled heating.
What is the calibration interval recommendation for routine use?
Labthink recommends annual calibration using NIM-traceable weights and dimensional gauges; certificate of calibration and adjustment record are provided with each service.
Are replacement test plates and loading masses available as consumables?
Yes—Labthink supplies certified Test Plate C sets (125 × 125 × 1.7 mm, 304 stainless steel), 1000 g and 2000 g calibrated masses, and 2000 g rollers with documented uncertainty budgets.
