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Wehner Schulze Surface Friction Tester for Asphalt

The Wehner Schulze method simulates traffic polishing and then measures post-polishing friction so laboratories can quantify aggregate and asphalt surface friction durability under EN 12697-49.

Available Products

1 product in this category

LS-ABR-WS Wehner/Schulze (WS) Surface Friction Analysis System | EN 12697-49:2022
LS-ABR-WS

Wehner/Schulze (WS) Surface Friction Analysis System

Flagship multi-functional performance station engineered to bridge the gap between asphalt mix design and field anti-skid service life. The system simulates long-term traffic wear and evaluates the decay of the friction coefficient over time using the harmonized Wehner/Schulze (WS) methodology.

EN 12697-49:2022

Compliance & Standards

All products in the Surface Friction After Polishing (WS) category comply with international testing standards including:

ASTM Standards

EN Standards

AASHTO Standards

BS Standards

ISO Standards

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