Sunday, December 01, 2013

Daltile and the Tile Council of North America have a new industry standard for measuring slippery

At Daltile, we’ve always championed the best solutions our industry has to offer. That’s why we’re among the first to join the Tile Council of North America in testing our products with DCOF AcuTest, a new industry standard for measuring the dynamic coefficient of friction (DCOF).  The new standard assesses products suitability for the commercial environment and the specific usability needs of the application.

A Measure of Friction

In layman’s terms, friction is the force that resists the sliding motion of one surface against another. Contaminants, such as liquids, can change this value. 
There are two types of friction: static (SCOF) and dynamic (DCOF).  SCOF is the ratio of forces necessary to start two surfaces sliding.  This is what the former ASTM C1028 static test measured.  DCOF is the ratio of forces necessary to keep two surfaces sliding.

Out with the old. In with the new.

The methodology used by DCOF AcuTest has become the new industry standard because it’s the most accurate way to determine whether or not a product is suitable for a commercial environment. And at Daltile, we won’t settle for anything less.
  • Just as the speed of a car can be measured in mph and kph, DCOF uses a different scale. For example, the
    new .42 wet (DCOF) is replacing the old reference of .60 COF wet, which has long been the benchmark for
    friction in commercial applications. 
  • The new, more stringent DCOF AcuTest uses a portable robot that, unlike ASTM C1028, gives realistic values
    on very smooth surfaces.
  • As our industry transitions, you’ll have access to both the SCOF and DCOF scores of all Daltile flooring products.
While the industry standard is changing, the quality you can count on from Daltile remains the same.


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