byk-gardner scrub abrasion tester
Application
The BYK-Gardner Wet Abrasion Scrub Tester is designed to evaluate the scrub resistance of painted, coated, or uncoated surfaces. It simulates real-life cleaning and wear conditions using brushes, sponges, scouring pads, or sandpaper with or without cleaning agents. This instrument is widely used in testing interior wall coatings, floor tiles, shower baths, laminated surfaces, furniture, and other decorative or functional surfaces where durability under wet abrasion is critical. It helps manufacturers and quality control laboratories assess product performance, improve coating formulations, and ensure compliance with durability standards.
Standards
The tester complies with a wide range of national and international standards, including:
ASTM D1792, D2198, D2486, D3206, D3207, D3450, D4213, D4488, D4828
ISO 11998
DIN 53778, DIN 13300
Canadian Government Regulation 26-GP-3a
Pennsylvania Federal Code W-4
US Federal Code P-C-431a, P-D-220A
Technical Parameters
| Item | Parameter |
|---|---|
| Scrub speed | 6 – 60 reciprocating strokes/min |
| Number of reciprocating cycles | Up to 100,000 |
| Test arms | Can hold up to 3 brushes or sponge/cushion bases for simultaneous testing |
| Maximum load per test arm | 4 kg (8.8 lbs) |
| Stroke length | 28 cm |
| Power supply | AC 220V, 50 Hz |
Advantages
High Reproducibility: Uniform reciprocating linear motion ensures consistent and repeatable results.
Efficient Testing: Up to three brushes or cushions can be used simultaneously to increase throughput.
User-Friendly Interface: 7-inch touchscreen display simplifies operation and monitoring of test parameters.
Durable Mechanism: Chain drive system provides long-term reliable operation with minimal maintenance.
Versatile Application: Suitable for a variety of coatings, tiles, furniture, and other surfaces exposed to wet abrasion or cleaning.
FAQ
1. What is the BYK-Gardner Wet Abrasion Scrub Tester?
It is an instrument used to measure the resistance of coatings, tiles, and other surfaces to abrasion caused by brushes, sponges, scouring pads, or other materials under wet conditions, often simulating cleaning processes.
2. Why is wet abrasion testing important?
Wet abrasion testing replicates the real-world wear that surfaces undergo during cleaning, scrubbing, or repeated contact with moisture. It ensures the durability of coatings, paints, tiles, and other surfaces in domestic, commercial, and industrial environments.
3. What materials can be tested?
Painted or uncoated walls, floor tiles, shower baths, laminated furniture surfaces, plastics, wood coatings, and other decorative or functional surfaces.
4. How does the tester work?
The device moves brushes, sponges, or pads back and forth in a precise reciprocating motion with a controlled load and adjustable speed. It can operate multiple arms simultaneously, and the number of strokes and load can be customized to match the intended application scenario.
5. What standards does it comply with?
It meets ASTM, ISO, DIN, and national regulatory standards for scrub resistance, ensuring reproducible and internationally comparable test results.
6. Can it simulate cleaning with chemicals?
Yes, the tester allows the addition of water, cleaning agents, or other friction media to simulate real-life wet cleaning conditions.
7. How are results evaluated?
After testing, the surface is visually inspected or measured for changes in gloss, color, coating removal, scratches, or other wear characteristics to assess scrub resistance and durability.
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