Polyethylene Flat Washers - Chemical-Resistant HDPE & LDPE Washers
Polyethylene flat washers offer broad chemical resistance, low moisture absorption, and a soft, compliant feel for sealing and cushioning applications in plumbing, chemical processing, and industrial equipment. Superior Washer & Gasket Corp manufactures HDPE and LDPE polyethylene washers in standard and custom sizes for a wide range of applications.
Our ISO 9001:2015 certified plastic washer manufacturing includes polyethylene, polypropylene, PTFE, and other chemical-resistant plastics. We produce custom polyethylene washers in HDPE and LDPE grades to your OD, ID, and thickness requirements-all made in the U.S.A.
- HDPE and LDPE for broad chemical resistance
- Low moisture absorption and compliant sealing
- Standard and custom polyethylene washer sizes
- ISO 9001:2015 certified manufacturing
- Made in the U.S.A.

