Available in a range of sizes these trays have many industrial uses. Other custom sizes of trays, special partitions, flanges, outlets, etc. can be special ordered. This Ultra High Molecular Weight (UHMW) Polyethylene will outwear all other materials, including metals, HENAN Okays, urethanes, and fluoroplastics. ... 1/8" x 48" x 96" UHMW Sheet ...