Yuelian YL-HP6 High-Temperature 90° Constant-Load Holding Force Tester

Overview

The Yuelian YL-HP6 High-Temperature 90° Constant-Load Holding Force Tester is an engineered solution for quantifying the shear resistance of pressure-sensitive adhesives (PSAs), tapes, labels, and laminated films under controlled thermal conditions. Designed in accordance with ASTM D3654/D3654M (Standard Test Methods for Shear Adhesion of Pressure-Sensitive Tapes) and ISO 4597 (Adhesives — Determination of shear strength of adhesive bonds), the instrument applies a standardized 90° peel geometry combined with precise thermal regulation to evaluate long-term cohesive integrity and interfacial stability. Unlike ambient-only holding power testers, the YL-HP6 integrates a fully insulated heating chamber with PID-controlled temperature management, enabling reproducible testing from ambient +5 °C up to 200 °C—critical for simulating real-world service environments such as automotive under-hood applications, electronics encapsulation, or high-temperature packaging lines.

Key Features

• Temperature-controlled test chamber with ±1 °C uniformity across the full 60 × 35 × 36 cm internal volume, validated per IEC 60068-3-5 for thermal stability
• High-resolution touchscreen interface supporting programmable test profiles: time, temperature setpoint, and hold duration (with auto-stop on completion)
• Dual-mode operation: constant-temperature holding tests or ramp-and-hold thermal protocols for accelerated aging simulation
• Standardized 90° load application using six calibrated 100 g stainless steel weights—compliant with ASTM D3654 Figure 1 configuration
• Mirror-polished 304 stainless steel test plate (120 mm × 50 mm) ensures consistent surface energy and minimizes edge effects during shear displacement measurement
• Chamber construction features interior 304 stainless steel walls and powder-coated exterior housing for corrosion resistance and mechanical durability
• Integrated safety interlocks, over-temperature cutoff, and grounded 220 V / 2 kW power system compliant with IEC 61000-6-3 EMC standards

Sample Compatibility & Compliance

The YL-HP6 accommodates standard PSA specimens measuring 80 mm × 20 mm—aligned with ISO 2922 and ASTM D3330 specimen dimensions. It supports both rigid (e.g., aluminum foil-backed tapes) and flexible substrates (e.g., PET, PVC, or paper carriers). The test plate’s mirror finish meets Ra ≤ 0.2 µm surface roughness requirements for low-interference shear evaluation. Regulatory alignment includes support for GLP-compliant documentation workflows when paired with external data loggers; while the unit itself does not include FDA 21 CFR Part 11–certified audit trails, its deterministic timing and fixed-load architecture ensure traceable, repeatable results suitable for internal QC release testing and supplier qualification per ISO 9001:2015 Clause 8.5.1.

Software & Data Management

The YL-HP6 operates via embedded firmware with no external PC dependency. All test parameters—including start time, target temperature, dwell duration, and pass/fail status—are stored locally in non-volatile memory with timestamping (YYYY-MM-DD HH:MM format). Data export is performed manually via USB flash drive (FAT32 formatted), generating CSV files containing test ID, temperature log (recorded every 30 s), elapsed time, and final displacement observation. For laboratories requiring electronic records management, the device interfaces with third-party LIMS systems through RS-232 serial output (optional adapter), enabling integration into enterprise-wide quality data repositories under defined SOPs.

Applications

• Automotive: Evaluating thermal shear retention of die-cut gaskets, EMI shielding tapes, and battery module adhesives at 85–120 °C
• Electronics: Validating reflow-soldering survivability of temporary masking tapes and thermal interface material (TIM) bonding layers
• Medical Device Manufacturing: Assessing cohesive failure onset in sterilization-grade PSAs used on pouch seals and sensor patches
• Flexible Packaging: Quantifying hot-tack performance of heat-seal coatings during form-fill-seal process validation
• R&D Labs: Screening candidate acrylic, rubber, and silicone-based adhesives for temperature-dependent creep behavior

FAQ

What standards does the YL-HP6 comply with?
ASTM D3654/D3654M, ISO 4597, ISO 2922, and ISO 3251 (for substrate preparation guidance).
Can the test load be modified beyond 100 g per weight?
Yes—custom load sets (e.g., 200 g, 500 g, or 1 kg) are available upon request and require recalibration verification.
Is the rolling applicator included with the base unit?
No—the manual or motorized roller is an optional accessory, specified separately to ensure optimal wetting pressure per PSTC-101 or AFERA 4001 guidelines.
How is temperature uniformity verified inside the chamber?
Calibration is performed using NIST-traceable PT100 probes placed at nine spatial points (corners, center, mid-height) per ISO/IEC 17025 Annex A.3.
Does the YL-HP6 support continuous data logging during extended tests?
Yes—internal logging records temperature and time at 30-second intervals for up to 999 hours; data is retained after power cycling.