Fangyuan FY-6032 Initial Tack Tester for Pressure-Sensitive Adhesives
| Brand | Fangyuan |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | FY-6032 |
| Pricing | Upon Request |
| Adjustable Inclination Angle | 0–60° |
| Table Width | 120 mm |
| Test Zone Width | 80 mm |
| Standard Steel Balls | 1/32″ to 1″ (Ball Numbers Corresponding to 32× Inch Diameter) |
| Overall Dimensions | 320(L) × 140(W) × 180(H) mm |
| Weight | 6 kg |
Overview
The Fangyuan FY-6032 Initial Tack Tester is a precision-engineered instrument designed specifically for evaluating the initial tack—the instantaneous adhesive strength developed upon brief, light contact—of pressure-sensitive adhesives (PSAs), including acrylic, rubber-based, and silicone PSAs used in tapes, labels, protective films, and packaging laminates. It operates on the standardized inclined-plane rolling-ball method, as defined in ASTM D3121, FINAT FTM 1, and GB/T 4852–2002. In this method, a polished steel ball of defined diameter and surface finish rolls down a precisely angled incline onto the adhesive surface under controlled gravitational force. The largest ball size retained by the adhesive over a specified test length (typically 100 mm) serves as the quantitative measure of initial tack. This principle leverages interfacial energy dissipation and viscoelastic deformation at the micro-contact interface, making the test highly sensitive to surface energy, polymer chain mobility, and low-shear-rate rheological behavior of the adhesive layer.
Key Features
- High-precision inclination adjustment mechanism with vernier-scale readout, enabling reproducible angle settings from 0° to 60° in 0.5° increments—critical for method compliance and inter-laboratory comparability.
- Stainless-steel construction throughout the frame, incline plate, and ball-handling components ensures long-term dimensional stability, corrosion resistance, and compliance with ISO 8502-3 cleanliness requirements for adhesive testing environments.
- Dedicated ball positioning control knob allows fine-tuned lateral and longitudinal alignment of the release point, minimizing variability in impact location and kinetic energy transfer.
- Integrated ball recovery tray with non-marring elastomeric lining prevents surface damage to test balls during collection, preserving surface integrity per GB/T 308–2002 Grade 0 specifications.
- Modular design facilitates rapid cleaning, calibration verification, and routine maintenance without tooling—supporting GLP-aligned laboratory workflows.
Sample Compatibility & Compliance
The FY-6032 accommodates standard PSA substrates—including PET, PP, paper, and PVC-based tapes and labels—up to 80 mm wide. Specimen mounting uses non-slip vacuum or mechanical clamping (optional accessory), ensuring zero lateral displacement during ball impact. The instrument conforms to the geometric and material requirements of ASTM D3121–17 (Standard Test Method for Ball Tack), GB/T 4852–2002 (Determination of Initial Tack of Pressure-Sensitive Adhesive Tapes), and JIS Z 0237 Annex B. All steel balls are manufactured from GCr15 bearing steel, heat-treated to HRC 60–65, and certified to surface roughness Ra ≤ 0.025 µm and sphericity deviation < 0.1 µm—exceeding GB/T 308 Grade 40 tolerances. Ball storage in rust-inhibiting oil is recommended to maintain metrological integrity between tests.
Software & Data Management
While the FY-6032 is a manually operated mechanical tester, its design supports full traceability within digital quality management systems. Each test record includes operator ID, ambient temperature/humidity (per ASTM D618), ball lot number, incline angle, retention length, and pass/fail determination against predefined acceptance criteria. Laboratories may integrate results into LIMS or ELN platforms via structured CSV export (using optional data logger accessories). The system supports audit trails compliant with FDA 21 CFR Part 11 when paired with validated electronic record modules, and all calibration logs—including inclinometer verification and ball dimension certification—are retained per ISO/IEC 17025 Clause 7.7.
Applications
- Quality control of roll-to-roll converted tapes in packaging line environments (e.g., carton sealing, pallet stretch wrap, and tamper-evident labels).
- R&D screening of new PSA formulations for fast-bonding performance under ambient and elevated temperature conditions.
- Supplier qualification audits requiring third-party verification of initial tack consistency across production lots.
- Root-cause analysis of delamination or “flagging” issues in high-speed label application equipment.
- Regulatory submission support for medical device labeling (ISO 15378) and food-contact packaging (FDA 21 CFR 175.105).
FAQ
What standards does the FY-6032 comply with?
ASTM D3121–17, GB/T 4852–2002, JIS Z 0237 Annex B, and FINAT FTM 1.
Can the instrument be calibrated in-house?
Yes—angle calibration is performed using a NIST-traceable digital inclinometer; steel ball diameters must be verified annually using a calibrated optical comparator per GB/T 308.
Is the tester suitable for hot-melt adhesives?
No—this method is validated only for pressure-sensitive adhesives exhibiting measurable tack at room temperature (23 ± 2°C) and 50 ± 5% RH.
How often should steel balls be replaced?
Balls showing visible scratches, pitting, or loss of luster after cleaning must be discarded; typical service life is 500–1,000 tests under proper storage and handling protocols.
Does the FY-6032 require electrical power?
No—it is fully mechanical and gravity-driven, eliminating dependency on power sources or electromagnetic interference in cleanroom or hazardous-area installations.
