Quotes (0) All Categories > Washer Material Specifications > Polyethylene Washers > Advanced Search Advanced Search in Polyethylene Washers Unit of Measure Imperial Metric Both Specifications Material Polyethylene Outside Diameter (in) At Least : No More Than : Available Range: 0.092 to 4.357 Inside Diameter (in) At Least : No More Than : Available Range: 0.023 to 3.277 Thickness (in) At Least : No More Than : Available Range: 0.01 to 0.125 Description Our standard washers are made from Natural homopolymer High density PolyethyleneHDPE(Homopolymer)ASTM D - 4976 Group 1 / Class 4 / Grade 4 UL 94HBFDA 21 CFR 177.1520 ( c ) 2.1 Clear Cancel Advanced Search