UHMW Sheet 3/8" x 4" x 48" By Peachtree Woodworking - PW1123
UHMW Polymer (plastic) is a linear polyethylene with a molecular weight in the range of 3,000,000 to 6,000,000. This value represents the "average molecular weight". UHMW is 10 times heavier than regular high density polyethylene.