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.com • Website: 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
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Item #

Material

Outer Diameter

Inner Diameter

Thickness

Color

WAF145 N/A Vulcanized Fibre N/A 0.202 Inch0.212 Inch N/A 0.086 Inch0.092 Inch N/A 0.028 Inch0.034 Inch N/A Gray
WAF769 N/A Fibre/Fishpaper N/A 1.343 Inch1.374 Inch N/A 0.510 Inch0.520 Inch N/A 0.009 Inch0.011 Inch N/A Gray
WAF144 N/A Fishpaper N/A 0.203 Inch0.233 Inch N/A 0.125 Inch0.130 Inch N/A 0.009 Inch0.011 Inch N/A
WAF951 N/A Fishpaper N/A 0.260 Inch0.270 Inch N/A 0.124 Inch0.128 Inch N/A 0.005 Inch N/A
WAF1197 N/A Fishpaper N/A 0.312 Inch N/A 0.153 Inch N/A 0.031 Inch N/A Gray
WAF1046 N/A Fishpaper N/A 0.495 Inch0.505 Inch N/A 0.120 Inch0.130 Inch N/A 0.003 Inch0.006 Inch N/A Gray
WAF675 N/A Fishpaper N/A 0.718 Inch N/A 0.250 Inch N/A 0.093 Inch N/A Gray
WAF1783 N/A Fishpaper N/A 0.760 Inch N/A 0.185 Inch N/A 0.031 Inch N/A
WAF1256 N/A Fishpaper N/A 0.900 Inch0.920 Inch N/A 0.400 Inch0.420 Inch N/A 0.0085 Inch0.0115 Inch N/A
WAF1895 N/A Fishpaper N/A 0.901 Inch0.911 Inch N/A 0.5 Inch N/A 0.005 Inch N/A
WAF1729 N/A Fishpaper N/A 0.905 Inch N/A 0.725 Inch N/A 0.005 Inch N/A
WAF849 N/A Fishpaper N/A 1.000 Inch N/A 0.908 Inch N/A 0.020 Inch N/A
WAF1563 N/A Fishpaper N/A 1.000 Inch N/A 0.515 Inch N/A 0.010 Inch N/A
WAF1722 N/A Fishpaper N/A 1.000 Inch N/A 0.531 Inch N/A 0.005 Inch N/A Blue
WAF1628 N/A Fishpaper N/A 1.000 Inch N/A 0.762 Inch N/A 0.062 Inch N/A
WAF360 N/A Fishpaper N/A 1.000 Inch N/A 0.908 Inch N/A 0.020 Inch N/A
WAF1677 N/A Fishpaper N/A 1.13 Inch N/A 0.656 Inch N/A 0.005 Inch N/A Gray
WAF1723 N/A Fishpaper N/A 1.13 Inch N/A 0.656 Inch N/A 0.005 Inch N/A Blue
WAF1148 N/A Fishpaper N/A 1.25 Inch N/A 0.700 Inch N/A 0.015 Inch N/A
WAF2769 N/A Fishpaper N/A 1.62 Inch N/A 0.313 Inch N/A 0.015 Inch N/A Gray
WAF2929 N/A Fishpaper N/A 1.750 Inch N/A 0.906 Inch N/A 0.005 Inch N/A Blue
WAF1343 N/A Fishpaper N/A 2.125 Inch N/A 1.812 Inch N/A 0.025 Inch N/A
WAF2718 N/A Fibre/Fishpaper N/A 0.375 Inch N/A 0.125 Inch N/A 0.010 Inch N/A Gray
WAF517 N/A Hard Fibre N/A 0.406 Inch N/A 0.296 Inch N/A 0.031 Inch N/A
WAF2374 N/A Hard Fibre N/A 0.562 Inch N/A 0.250 Inch N/A 0.031 Inch N/A Red
Unit of Measure
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