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
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Item #

Material

Outer Diameter

Inner Diameter

Thickness

Color

WAF171 N/A Fibre N/A 0.344 Inch N/A 0.169 Inch N/A 0.040 Inch N/A Black
WAF617 N/A Fibre N/A 0.344 Inch0.375 Inch N/A 0.194 Inch0.214 Inch N/A 0.026 Inch0.036 Inch N/A Black Gray
WAF2180 N/A Fibre N/A 0.347 Inch N/A 0.173 Inch N/A 0.031 Inch N/A Black
WAF442 N/A Fibre N/A 0.350 Inch N/A 0.190 Inch N/A 0.020 Inch N/A Black
WAF2442 N/A Fibre N/A 0.350 Inch N/A 0.190 Inch N/A 0.020 Inch N/A Black
WAF2531 N/A Fibre N/A 0.350 Inch0.370 Inch N/A 0.168 Inch0.178 Inch N/A 0.062 Inch N/A Gray
WAF1146 N/A Fibre N/A 0.353 Inch N/A 0.143 Inch N/A 0.030 Inch N/A Gray
WAF2775 N/A Fibre N/A 0.354 Inch N/A 0.169 Inch N/A 0.031 Inch N/A Black
WAF2012 N/A Fibre N/A 0.357 Inch N/A 0.185 Inch N/A 0.020 Inch N/A Red
WAF417 N/A Fibre N/A 0.359 Inch N/A 0.204 Inch N/A 0.010 Inch N/A Black
WAF636 N/A Fibre N/A 0.359 Inch N/A 0.250 Inch N/A 0.046 Inch N/A
WAF839 N/A Fibre N/A 0.360 Inch N/A 0.070 Inch N/A 0.062 Inch N/A Red
WAF2602 N/A Fibre N/A 0.365 Inch0.385 Inch N/A 0.240 Inch0.26 Inch N/A 0.013 Inch0.017 Inch N/A Gray
WAF1240 N/A Fibre N/A 0.369 Inch0.379 Inch N/A 0.248 Inch0.258 Inch N/A 0.028 Inch0.034 Inch N/A Black
WAF2435 N/A Fibre N/A 0.370 Inch N/A 0.130 Inch N/A 0.040 Inch N/A Gray
WAT7387 N/A Fibre N/A 0.370 Inch N/A 0.130 Inch N/A 0.040 Inch N/A Gray
WAF2183 N/A Fibre N/A 0.370 Inch N/A 0.170 Inch N/A 0.040 Inch0.050 Inch N/A Black
WAF106 N/A Fibre N/A 0.370 Inch0.390 Inch N/A 0.15 Inch0.170 Inch N/A 0.027 Inch0.033 Inch N/A Gray
WAF1226 N/A Fibre N/A 0.370 Inch0.390 Inch N/A 0.15 Inch0.170 Inch N/A 0.062 Inch N/A Red
WAF2848 N/A Fibre N/A 0.374 Inch N/A 0.225 Inch N/A 0.062 Inch N/A Gray
WAF2006 N/A Fibre N/A 0.374 Inch N/A 0.253 Inch N/A 0.031 Inch N/A Black
WAF756 N/A Fibre N/A 0.375 Inch N/A 0.102 Inch0.113 Inch N/A 0.062 Inch N/A Gray
WAF2809 N/A Fibre N/A 0.375 Inch N/A 0.125 Inch N/A 0.031 Inch N/A Gray
WAF2859 N/A Fibre N/A 0.375 Inch N/A 0.125 Inch N/A 0.031 Inch N/A Gray
WAF2002 N/A Fibre N/A 0.375 Inch N/A 0.125 Inch N/A 0.047 Inch N/A Black
Unit of Measure
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