The Abrasion test fixture consists of: (1) a platform supported by a shaft and bearings with 8 sample mounting plates bolted in place, (2) a standard 5/16" diameter sandblast gun fixed in position...

An abrasion test was conducted on four polyurethane samples. Each of the sample pads (approximately 4" high x 3" wide and 1/4" thick) were mounted on equally spaced 8" arms connected to a shaft...