3M Safety-Walk slip-resistant tapes and treads series 300 has been certified by the National Floor Safety Institute (NFSI) as providing high traction. A wet static coefficient of friction (SCOF) of greater than 0.6 was chosen by NFSI as the criteria for high traction because according to NFSI, floor surfaces maintaining this level of slip resistance when wet have proven to reduce slip-and-fall claims by between 50% and 90%.