New Process Fibre Company, Inc.
12655 North First Street
P.O. Box 2009
Greenwood, DE 19950
Toll Free: 800-497-4520 • Fax: 302-349-5730
Email: sales@newprocess.comWebsite: www.newprocess.com
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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.

vulcanized-washers
Unit of Measure
1 2 

Item #

Material

Outer Diameter

Inner Diameter

Thickness

Color

WAF340 N/A Vulcanized Fiber N/A 3.125 Inch N/A 1.937 Inch N/A 0.031 Inch N/A Gray
WAF2625 N/A Vulcanized Fiber N/A 0.5 Inch N/A 0.175 Inch N/A 0.156 Inch N/A
CUSTOM-VULCAN N/A N/A N/A N/A N/A
WAF3244 N/A Vulcanized Fiber N/A 1.500 Inch N/A 1.025 Inch N/A 0.031 Inch N/A Red
WAF3106 N/A Vulcanized Fibre N/A 0.551 Inch N/A 0.394 Inch N/A N/A Gray
Unit of Measure
1 2