| http://www.w3.org/ns/prov#value | - The center portion may be comprised of elastomers, plastics or other polymers and typically has a specific gravity of about 0.95 g/cc, more preferably has a slip resistance equivalent to a better than 1.11/1.11 (dry/wet) on vinyl tile in accord with ASTM F-489, and an NBS abrasion index of about 175 or better.
|
