What are the best methods to test WPC for slip resistance in wet conditions?

Testing WPC (Wood Plastic Composite) for slip resistance in wet conditions is crucial for ensuring safety, especially in areas prone to moisture. Here are the best methods to evaluate slip resistance:

1. Pendulum Test: This method measures the dynamic coefficient of friction (DCOF) using a swinging pendulum with a rubber slider. It simulates foot movement and provides reliable results for wet surfaces.

2. Ramp Test (DIN 51130): A standardized test where a person walks on a tilted, wet WPC surface. The angle at which slipping occurs determines the slip resistance rating (R9 to R13).

3. Tortus Test: This automated device measures the coefficient of friction by dragging a sensor across the wet WPC surface, offering consistent and repeatable data.

4. Oil-Wet Ramp Test (ASTM F1679): Specifically for contaminated wet surfaces, this test evaluates slip resistance under more challenging conditions, such as oil or soap spills.

5. Field Testing: Practical on-site assessments using slip resistance meters or visual inspections under real-world wet conditions.

For accurate results, combine lab tests with field evaluations and adhere to standards like ASTM, DIN, or ISO. Proper testing ensures WPC flooring meets safety requirements for wet environments.