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Vulcanized Fibre is a laminated plastic composed of natural cellulose. Vulcanzied Flat Fibre Washers made from this material is an excellent alternative in many applications. One of the first plastics ever developed. Vulcanized Fibre is a tough, resilient material that is lighter than aluminum, tougher than leather, stiffer than most thermoplastics. Standard Colors available are Red, Black, White and Grey.  Other colors are available upon request.

Unit of Measure



N/A Vulcanized Fiber

Outer Diameter

N/A 0.202 Inch0.212 Inch

Outer Diameter Tolerance

N/A ± 0.005 Inch

Inner Diameter

N/A 0.086 Inch0.092 Inch

Inner Diameter Tolerance

N/A ± 0.003 Inch


N/A 0.028 Inch0.034 Inch

Thickness Tolerance

N/A ± 0.003 Inch


N/A Gray