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F13 Committee Test Method for using a Variable Incidence Tribometer (VIT) for wet testing. This test applies to the English XL Variable Incidence Tribometer. Testing done by William English, inventor of the English XL.
Wet Dry NO-Slip Treatment .66 .73 Untreated .47 .65
The generally accepted minimum slip resistance reading is .50 The results indicate:
- NO-Slip increased the slip resistance of the wet tile above the dry untreated tile.
- NO-Slip increased the slip resistance when wet by over 40%.
- NO-Slip increased the co-efficient of friction of the tile when dry.
NOTE: When evaluating test results for wet surfaces, please note that none of the following F13 standards permits wet testing.
F489-96 (James Machine)
F609-96 (Horizontal Pull Slipmeter)
F1678 (Brungraber Mk I)
ASTM C1028-96
Standard test method for determining the static coefficient of friction of ceramic tile and other like surfaces by the Horizontal Dynamometer Pull-Meter Method.
Tile Description: Red Paver Tile
Wet Dry NO-Slip Treatment .69 .59 Untreated .49 .58 The results indicate:
- NO-Slip increased the slip resistance of the wet tile above the dry untreated tile.
- NO-Slip increased the slip resistance when wet by over 40%.
- NO-Slip increased the co-efficient of friction of the tile when dry.
Optical and Scanning Electron Microscopy
"There is no evidence of preferential chemical degradation or surface etching following the treatment process."
- Testing by the Chairman of the Faculty of Applied Science and Engineering, University of Toronto
Safety Hazard Analysis
Acidity: NO-Slip = pH 6.2 Pure Water = pH 7.0 (neutral) Hydrofluoric Acid*: NO-Slip = 0.2 - 1.0 ppm OSHA = 3.0 ppm
(safe exposure guidelines)Ammonia: NO-Slip = less than 0.1 ppm OSHA = 25.0 ppm
(safe exposure guidelines)Fluoride Ion: Concentration is fairly low - short term exposure to a dilute solution will not lead to immediate pain or redness of the skin. *The small amount of hydrofluoric is used to soften the microscopic particles in NO-Slip to assist them to adhere to the surface.