TQC Sheen Scrub Resistance Tester (Dry/Wet)
| Brand | TQC Sheen |
|---|---|
| Origin | Netherlands |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Dry/Wet Scrub Resistance Tester |
| Price | Upon Request |
Overview
The TQC Sheen Scrub Resistance Tester (Dry/Wet) is a precision-engineered instrument designed for quantitative evaluation of coating and paint film durability under mechanical abrasion. It operates on the principle of controlled reciprocating motion—applying standardized linear scrubbing action to a coated substrate while delivering regulated abrasive medium (water, detergent solution, or dry media) via an integrated peristaltic pump. Compliant with internationally recognized test standards—including ASTM D2486 (scrub resistance of interior paints), ISO 11998 (determination of scrub resistance of coatings), and EN 13300 (performance requirements for interior wall coatings)—this tester delivers reproducible, traceable results essential for R&D validation, QC release testing, and regulatory documentation in paint, ink, and architectural coating laboratories.
Key Features
- Programmable scrub frequency range: 1–60 cycles per minute, with speed accuracy maintained within ±1% of setpoint—ensuring strict adherence to standard-defined test durations.
- Adjustable stroke length: 20–300 mm, calibrated to ±0.01 mm resolution, enabling precise simulation of real-world wear patterns across diverse substrate geometries.
- Integrated peristaltic pump delivering consistent flow rates from 0.0–3.0 mL/min, supporting both wet (aqueous/detergent-based) and dry scrub protocols without cross-contamination.
- Dual-mode operation: Independent configuration for dry abrasion (e.g., ASTM D4060) and wet scrub resistance (e.g., ASTM D2486), with automatic mode recognition and parameter locking.
- High-resolution 480 × 272 pixel full-color TFT display with intuitive icon-driven interface—designed for rapid method setup, real-time cycle monitoring, and error diagnostics.
- Modular mechanical architecture: Robust aluminum frame with linear guide rails and brushless DC drive system ensures long-term positional repeatability and minimal maintenance over extended operational cycles.
Sample Compatibility & Compliance
The tester accommodates flat rigid substrates up to 350 mm in length, 70 mm in width, and 35 mm in thickness—compatible with standard Leneta cards, glass panels, metal coupons, and primed wood samples. Its open-stage design allows for custom fixture integration (e.g., curved sample holders or multi-position trays) via optional mounting kits. All firmware and hardware configurations are documented per ISO/IEC 17025 requirements for test method validation. Instrument calibration certificates—traceable to NIST-recognized national metrology institutes—are available upon request. The device supports audit-ready operation under GLP and GMP environments, with optional password-protected user levels and electronic logbook functionality compatible with 21 CFR Part 11-compliant data management systems.
Software & Data Management
Firmware is field-upgradable via USB port, with version history and change logs stored internally. Test parameters—including cycle count, stroke length, speed, pump flow rate, and start/stop timestamps—are automatically logged in non-volatile memory with UTC timestamping. Export options include CSV-formatted reports via USB mass storage mode, suitable for direct import into LIMS or statistical process control (SPC) platforms. Optional PC software (TQC LabLink) provides advanced features: automated pass/fail decision logic based on preconfigured thresholds, comparative analysis across batches, and PDF report generation with embedded instrument ID, operator credentials, and calibration status metadata.
Applications
- Quality assurance of architectural and industrial coatings for scrub resistance classification (e.g., Class I–IV per ISO 11998).
- R&D screening of novel binder systems, pigment dispersions, and rheology modifiers under accelerated abrasion stress.
- Validation of anti-graffiti, self-cleaning, and antimicrobial coating performance under cyclic wet abrasion.
- Comparative benchmarking against competitor formulations using identical test conditions and reference standards (e.g., TQC Standard Abrasive Pads, ASTM D2486 Reference Panels).
- Supporting technical documentation for CE marking, EPA Safer Choice certification, and LEED v4.1 MR credit submissions where coating durability is a performance criterion.
FAQ
Does the instrument support ASTM D2486 and ISO 11998 out-of-the-box?
Yes—the default firmware includes preloaded test methods aligned with these standards, including specified stroke length (150 mm), cycle rate (40 cpm), and detergent concentration (0.5% sodium lauryl sulfate). Custom methods can be saved and recalled without firmware modification.
Can the pump deliver viscous media such as glycerol-water mixtures?
The peristaltic pump is optimized for aqueous solutions and low-viscosity detergents (< 50 mPa·s at 25°C). For higher-viscosity media, optional high-torque pump modules are available upon request.
Is remote monitoring or network connectivity supported?
Standard configuration includes local USB and display-only operation. Ethernet or Wi-Fi modules are available as factory-installed options for integration into centralized lab automation networks.
What maintenance intervals are recommended?
Brushless motor and linear rail lubrication is required every 12 months or 5,000 cycles—whichever occurs first. Pump tubing replacement is advised every 6 months under continuous use; calibration verification should be performed quarterly using certified gauge blocks and flow meters.
