Vulcanized Fiber (aka Fishpaper – Vulcanized Fiber) is a strong cellulose paperboard insulation. It is used primarily for its excellent electrical insulating properties.
Fishpaper is the name for the electrical grade of vulcanized fiber. Fishpaper properties include light weight, and ease of forming and punching. Fishpaper is unique because it is more resistant to heat and cold than comparable plastic material. Available in thinner gauges, typically from 0.0078″ to 0.062″ thick; fishpaper’s standard color is grey.
Vulcanized Fiber is a hard, durable, chemically pure cellulose product that contains no resin or bonding agents. It offers flexibility, impact resistance, high tear strength and a smooth, abrasion resistant surface. It can be machined, punched, slit, threaded, formed, molded and wound into tubes for literally countless applications. Vulcanized fiber is available from .0078″ to 0.375″ thick in several colors. Certifies to NEMA Commercial grade per MIL-F-1148, C-H; MIL-F-13526, red sheet.
Brand Names
Peerless®
Vulcanex®
Forbon®
Armite®
Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.
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Coefficient of Linear Thermal Expansion – Lengthwise
(x 10-5 in./in./°F)
D696
1.1
Coefficient of Linear Thermal Expansion – Crosswise
(x 10-5 in./in./°F)
D696
1.7
Thermal Conductivity. 149º F
BTU-in/ft2-hr-°F
C-177
0.168
Flammability Rating
UL-94
94 H – B
Electrical Properties
Units
ASTM
Results
Dielectric Strength
V/mil
D149
200
Arc Resistance
sec
D495
80
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.
Applications
Wear plates
Arc barriers
Washers, gaskets
Electrical instruments, devices
Electrical insulation
Advantages
Excellent insulation properties
Can be die cut or machined
Flexible
High mechanical strength
Lightweight
Excellent electrical properties
Good moisture resistance
Grades
MILSpecs
MIL-F-1148, MIL-I-695, MIL-F-10336, MIL-F-13526
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Vulcanized Fiber (aka Fishpaper – Vulcanized Fiber) is a strong cellulose paperboard insulation. It is used primarily for its excellent electrical insulating properties.