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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.

All Washers are available in English and Metric Units. 

  • Good Impact Resistance
  • High Tear Strength and Smooth
  • Abrasion Resistant Surface
  • Can be punched with excellent results
  • Good Arc and Track Resistance
  • U.L. 94HB Flammability rating
  • Impervious to most organic solvents, oils, and petroleum derivatives
  • Vulcanized Fibre Flat Washers
  • Vulcanized Fibre is an excellent choice for use in oil

Typical Properties of Vulcanized Fibre

General Properties (HB-77) Thickness Commercial Grade Electrical Grade
Density (min.) 1/16" 1.15 g/cm3 1.10 g/cm3
Tensile Strength 1/16" 13.5 kpsi 0.015" @15 kpsi
Flexural Strength 1/16" 20 kpsi -
Compressive Strength 1/16" 35 kpsi -
Izod Impact Strength 1/16" 2.3 ft-lbs./in -
Mullen Burst Strength 0.015" 300 psi 270 psi
Dielectric Strength 1/16" 175 volts/mil 300 volts/mil
Arc Resistance 1/16" 100 seconds -
Water Absorption 1/16" 52%/2hrs. -
UL Flammability above 0.030" 94HB 94HB

Data Supplied by Toyo Fibre

Email us your part drawing(s) by clicking the "REQUEST INFORMATION" tab above and complete our on-line form and we will provide you with a detailed quotation.

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Outer Diameter

Inner Diameter

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N/A Hard Vulcanized Fiber N/A 1.000 Inch N/A 0.75 Inch N/A 0.031 Inch N/A Request Quote
N/A Vulcanized Fiber N/A 0.625 Inch N/A 0.187 Inch N/A 0.020 Inch N/A Request Quote
N/A Vulcanized Fiber N/A 0.680 Inch N/A 0.5 Inch N/A 0.03 Inch N/A Request Quote
N/A Vulcanized Fiber N/A 0.787 Inch N/A 0.413 Inch N/A 0.125 Inch N/A Request Quote
N/A Vulcanized Fiber N/A 1.25 Inch N/A 0.906 Inch N/A 0.050 Inch N/A Request Quote
N/A Vulcanized Fiber N/A 1.900 Inch N/A 1.500 Inch N/A 0.050 Inch N/A Request Quote
N/A Vulcanized Fiber N/A 2.471 Inch N/A 0.738 Inch N/A 0.093 Inch N/A Request Quote
N/A Vulcanized Fiber N/A 2.750 Inch N/A 1.95 Inch N/A 0.050 Inch N/A Request Quote
N/A Vulcanized Fiber N/A 0.5 Inch N/A 0.175 Inch N/A 0.156 Inch N/A Request Quote
N/A N/A N/A N/A N/A Request Quote
N/A Vulcanized Fiber N/A 0.625 Inch N/A 0.156 Inch N/A 0.125 Inch N/A Black Request Quote
N/A Vulcanized Fiber N/A 0.202 Inch0.212 Inch N/A 0.086 Inch0.092 Inch N/A 0.028 Inch0.034 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 1.370 Inch N/A 0.447 Inch N/A 0.125 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 1.720 Inch N/A 1.340 Inch N/A 0.040 Inch0.06 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 0.312 Inch N/A 0.132 Inch N/A 0.010 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 0.375 Inch N/A 0.156 Inch N/A 0.031 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 0.38 Inch N/A 0.250 Inch N/A 0.062 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 0.625 Inch N/A 0.375 Inch N/A 0.062 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 0.709 Inch N/A 0.276 Inch N/A 0.010 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 0.812 Inch N/A 0.582 Inch N/A 0.062 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 1.125 Inch N/A 0.625 Inch N/A 0.015 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 1.170 Inch N/A 0.469 Inch N/A 0.031 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 1.281 Inch N/A 0.469 Inch N/A 0.031 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 1.375 Inch N/A 0.875 Inch N/A 0.015 Inch N/A Gray Request Quote
N/A Vulcanized Fiber N/A 1.500 Inch N/A 1 Inch N/A 0.031 Inch N/A Gray Request Quote
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