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.

Filter products

Showing 51–73 of 73 products

SKU ID OD Thickness Material ID TOL OD TOL Quantity Actions

385-60-091

ID 0.53
OD 1.247
Thickness 0.091
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-61-125

ID 0.409
OD 1.248
Thickness 0.125
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-62-015

ID 0.763
OD 1.248
Thickness 0.015
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-63-015

ID 0.71
OD 1.253
Thickness 0.015
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-64-062

ID 0.5
OD 1.256
Thickness 0.062
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-65-020

ID 0.908
OD 1.313
Thickness 0.02
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-66-062

ID 1.065
OD 1.375
Thickness 0.062
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-67-062

ID 1.156
OD 1.375
Thickness 0.062
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-68-050

ID 0.201
OD 1.378
Thickness 0.05
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-69-020

ID 0.564
OD 1.479
Thickness 0.02
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-70-091

ID 0.89
OD 1.499
Thickness 0.091
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-71-062

ID 1.006
OD 1.565
Thickness 0.062
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-72-061

ID 0.506
OD 1.623
Thickness 0.061
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-73-015

ID 1.138
OD 1.742
Thickness 0.015
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-74-015

ID 1.113
OD 1.749
Thickness 0.015
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-75-015

ID 0.947
OD 1.842
Thickness 0.015
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-76-030

ID 1.439
OD 1.874
Thickness 0.03
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-77-031

ID 0.149
OD 0.378
Thickness 0.031
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-77-125

ID 0.658
OD 1.998
Thickness 0.125
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-78-032

ID 0.301
OD 0.906
Thickness 0.032
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-81-064

ID 0.75
OD 1.997
Thickness 0.064
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-82-033

ID 0.771
OD 0.996
Thickness 0.033
Material Polyethylene
ID TOL +-.005
OD TOL +-.005
Quantity

385-84-016

ID 1.512
OD 2.123
Thickness 0.016
Material Polyethylene
ID TOL +-.010
OD TOL +-.010
Quantity

Description