James Heal Gyrowash Color Fastness Tester for Washing and Dry Cleaning

Overview

The James Heal Gyrowash Color Fastness Tester is an electromechanical laboratory instrument engineered to evaluate the resistance of textile and leather materials to color change and staining under standardized washing and dry cleaning conditions. It operates on the principle of controlled mechanical agitation in sealed, temperature-regulated test cups—mimicking industrial laundering and solvent-based cleaning processes. The device complies with internationally recognized test methodologies including ISO 105-C series (e.g., C06, C08, C09, C10), AATCC Test Methods 61, 86, and 132, and Marks & Spencer specifications (C04–C37). Its dual-standard capability enables laboratories to execute both European and North American protocols without hardware modification, supporting global quality assurance workflows in textile R&D, production QC, and third-party testing facilities.

Key Features

• Modular cup capacity: Selectable configurations accommodate either 8 or 20 test cups per run—each cup holds either small (40 mL) or large (120 mL) sample volumes, maintaining full compliance with ISO and AATCC dimensional requirements.
• Chemically inert sealing system: PTFE-encapsulated elastomer O-rings resist degradation from alkaline detergents, perchloroethylene, chlorinated water, and organic solvents—eliminating routine seal replacement and ensuring long-term pressure integrity.
• Intuitive cup mounting: Patented push-and-rotate mechanism enables rapid, tool-free installation and removal of test cups onto the rotating rotor assembly—reducing operator fatigue and minimizing handling errors during high-throughput testing.
• Precise thermal regulation: Digital programmable temperature controller maintains setpoint accuracy within ±0.5°C across the operational range (typically 20–60°C), with real-time monitoring and automatic cut-off for safety-critical protocols.
• Dual-timer functionality: Integrated countdown timer with audible alert supports multi-stage wash cycles (e.g., pre-wash, main wash, rinse) as required by AATCC 61-2023 and ISO 105-C06:2010.

Sample Compatibility & Compliance

The Gyrowash accommodates flat fabric specimens (typically 100 × 40 mm), yarn skeins, and cut leather swatches mounted with multifiber or single-fiber adjacent fabrics per ISO 105-A02 and AATCC Evaluation Procedure 1. All test cup geometries conform to ISO 105-C01 dimensional tolerances, ensuring consistent mechanical energy transfer during rotation. The instrument meets mechanical validation criteria outlined in ISO/IEC 17025:2017 for accredited color fastness laboratories and supports audit-ready documentation when paired with James Heal’s traceable consumables—including certified multifiber fabric (M&L Type IV), AATCC Standard Reference Detergent, ECE Reference Detergent, stainless steel balls (6 mm Ø), and ISO 105-A02 grey scales for staining (ISO 105-A03) and color change (ISO 105-A02).

Software & Data Management

While the Gyrowash operates via embedded firmware without external PC dependency, its control interface logs critical parameters—including start time, target temperature, duration, and final equilibrium temperature—for manual entry into LIMS or ELN systems. When integrated with James Heal’s optional LabLink software suite (sold separately), users gain automated test method recall, electronic signature support compliant with FDA 21 CFR Part 11, and audit trail generation for GLP/GMP environments. All firmware updates are delivered via secure USB import and validated against ISO/IEC 17025 clause 5.9 (equipment verification).

Applications

• Textile dye house validation of reactive, disperse, and acid dye systems against ISO 105-C09 (chlorine bleach) and C10 (non-chlorine bleach).
• Apparel brand compliance testing per Marks & Spencer Technical Requirements (e.g., C12A for dry cleaning performance on wool blends).
• Leather finishing evaluation under AATCC 132 (dry cleaning) using perchloroethylene and hydrocarbon solvents.
• R&D screening of novel fiber-reactive pigments and nano-coated fabrics subjected to accelerated aging via repeated Gyrowash cycles.
• Third-party certification labs performing ISO/IEC 17025-accredited reports for OEKO-TEX® Standard 100 and GOTS v7.0 Annex 4 testing modules.

FAQ

Does the Gyrowash meet ISO/IEC 17025 calibration requirements?
Yes—the instrument’s temperature sensor and timer are factory-calibrated traceable to NIST standards; users must perform periodic verification using James Heal-certified reference thermometers and stopwatch calibrators per ISO/IEC 17025 clause 6.5.
Can I use non-James Heal detergents or multifiber fabrics?
While technically possible, deviation from AATCC/ISO-specified reagents invalidates test compliance; James Heal consumables carry batch-specific certification for pH, surfactant concentration, and metal ion content per AATCC TM135 Appendix B.
What maintenance intervals are recommended for the rotor drive system?
The brushless DC motor and sealed bearing assembly require no scheduled lubrication; annual inspection of cup retention torque and O-ring compression set is advised per James Heal Maintenance Protocol MP-GW-01.
Is the Gyrowash compatible with automated grey scale evaluation systems?
Yes—it interfaces with industry-standard digital imaging stations (e.g., DataColor CHECK, X-Rite Ci7800) via standardized specimen positioning templates supplied with each instrument shipment.