1/4 resist rrosion rigid polyethylene sheet factory rrosion-Resistant Plastics Materials - Sheets, Rods, Tubing 2022-04-28 Overview of rrosion-Resistant Materials. —. rrosion Resistant Plastic Materials are typically broken into three groups: Polyolefins include polyethylene and polypropylene (HDPE, LDPE, UHMW, PP).