Vulcanized Fibre, Commercial Grade, is a hard, durable, chemically pure cellulose product that contains no resin or bonding agents. Vulcanized Fibre is manufactured in Rolls, Coils, Sheets, Tubes and Rods. The commercial grade of Vulcanized Fibre is sometimes referred to as "Fibre". Vulcanized Fibre can be used for washers, insulating plates, switch and appliance insulation, electric motor insulation, gaskets, automobile parts, luggage, patterns, and many other applications.
Its properties include:
Its properties include:
- High Mechanical Strength
- Excellent Resistance to Heat and Cold, superior to most plastics
- Light Weight, Half the weight of Aluminum
- Excellent Electrical Properties
- Good Arc Resistance
- Excellent Tear Resistance
- Can be Machined with Standard Tools
- Available in Rolls and Coils for easy automatic punching
UL File No.: E55656 Material Designation HB-77
ASTM Spec: ASTM D-710, Commercial
Military Spec: Mil-F-1148, C-H; Mil-F-I 3526, Red Sheet
NEMA Grade: Vulcanized Fibre, Commercial
High mechanical & dielectric strength. Good shock absorting & wear resisting qualities. Excellent punching, forming, & turning characteristics. Semi-hard & has a good surface finish.*$20.00 small order charge applies to each line item less than 200#'s and up to each 50# parcel/carton.
Unit of Measure
Thickness |
N/A 0.045 in |
Thickness Range |
N/A 0.041 to 0.049 in |
Form |
N/A Sheet |
Color |
N/A Black |
Dimensions |
N/A 26 x 40 in |
Weight per Sheet |
N/A 2.321 lbs |
Price/Pound 13-49 lbs.* |
N/A $8.98 |
Price/Pound 50-99 lbs.* |
N/A $8.11 |
Price/Pound 100-199 lbs.* |
N/A $7.23 |
Price/Pound 200-499 lbs. |
N/A $6.35 |
Price/Pound 500-999 lbs. |
N/A $5.91 |
Price/Pound 1000+ lbs. |
N/A $5.47 |
Flammability, UL94 |
N/A 94HB |
Density |
N/A 1.20 gm/cc |
Specific Volume |
N/A 23.0 in³/lb |
Tensile Strength (MD) |
N/A 21000 psi |
Tensile Strength (CD) |
N/A 10000 psi |
Modulus of Elasticity in Flexural x 10^5 (MD) |
N/A 10 |
Modulus of Elasticity in Flexural x 10^5 (CD) |
N/A 7 |
Modulus of Elasticity in Tension x 10^5 (MD) |
N/A 12 |
Modulus of Elasticity in Tension x 10^5 (CD) |
N/A 8 |
Flexural Strength (MD) |
N/A 29000 psi |
Flexural Strength (CD) |
N/A 16000 psi |
Compressive Strength |
N/A 35000 psi |
Impact Strength (MD) |
N/A 2.5 ft.lbs/in |
Impact Strength (CD) |
N/A 2.0 ft.lbs/in |
Rockwell Hardness (R Scale) |
N/A 70 divisions |
Bond Strength |
N/A 900 psi |
Bursting Strength |
N/A 325 psi |
Tear Strength (MD) |
N/A 550 gm |
Tear Strength (CD) |
N/A 700 gm |
Dielectric Strength |
N/A 400 Volts/mil |
Dielectric Strength |
N/A 215 Volts/mil |
Dielectric Strength |
N/A 200 Volts/mil |
Arc Resistance |
N/A 125 sec |
Comparative Tracking Index |
N/A 400 - 599 V |
Thermal Conductivity at 149ºF |
N/A 0.168 Btu/hr/ft²/ºF/ft |
Specific Heat |
N/A 0.403 Btu/lb/ºF |
Thermal Expansion x10^5 (MD) |
N/A 1.1 in/in/ºF |
Thermal Expansion x10^5 (CD) |
N/A 1.7 in/in/ºF |
Dimensional Change (Thickness) |
N/A 1.00 % |
Dimensional Change (Per Percent Change MD) |
N/A 0.10 % |
Dimensional Change (In Moisture Content CD) |
N/A 0.25 |
Water Absorption, 24hrs |
N/A 63 % |
Coefficient of Friction (Fibre on Fibre) |
N/A 0.16 |
Coefficient of Friction (Fibre on Smooth Cast Iron) |
N/A 0.21 |
Flammability |
N/A 0.5 in/min |
Electrical |
N/A 115 ºC |
Mechanical |
N/A 110 ºC |
Hot-Wire Ignition |
N/A 15-29 sec |
Hot-Wire Ignition |
N/A 60-119 sec |
High-Ampere Arc Ignition |
N/A 120 sec |
|
N/A Armature slot insulation, liners, washers, coil insulation, arc shields, formed specialties and gasket stock. |
