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Compare our offering of composites to find the right material for you.
Easy-Machine Hard Fiber Sheets
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Also known as vulcanized fiber, these hard fiber sheets can be readily machined and punched into custom parts. They're constructed from lightweight cotton fabric that's been chemically treated to make them hard and dense. Use hard fiber to make gears and bushings.
12" Wide × 12" Long | 24" Wide × 39" Long | 39" Wide × 48" Long | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thk. | Thk. Tolerance | Tensile Strength, psi | Hardness | Mil. Spec. | Flammability Rating | Color | Max. Temp., ° F | Impact Strength, ft·lbf/in | For Use Outdoors | Each | Each | Each | ||||
| 0.02" | -0.002" to 0.002" | 9,000 to 21,000 | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8490K13 | 000000 | 8490K23 | 000000 | 8490K33 | 000000 | |
| 0.03" | -0.003" to 0.003" | 9,000 to 21,000 | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8490K14 | 00000 | 8490K24 | 00000 | 8490K34 | 00000 | |
| 1/16" | -0.005" to 0.005" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8652K73 | 00000 | 8652K83 | 000000 | 8652K93 | 000000 | |
| 3/32" | -0.007" to 0.007" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8652K74 | 00000 | 8652K84 | 000000 | 8652K94 | 000000 | |
| 1/8" | -0.015" to 0.015" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8652K75 | 00000 | 8652K85 | 000000 | 8652K95 | 000000 | |
| 3/16" | -0.015" to 0.015" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8652K76 | 00000 | 8652K86 | 000000 | 8652K96 | 000000 | |
| 1/4" | -0.015" to 0.015" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8652K77 | 00000 | 8652K87 | 000000 | 8652K97 | 000000 | |
| 3/8" | -0.02" to 0.02" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8652K78 | 000000 | 8652K88 | 000000 | 8652K98 | 00000000 | |
| 1/2" | -0.025" to 0.025" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8652K79 | 000000 | 8652K89 | 000000 | 8652K99 | 00000000 | |
Easy-Machine Hard Fiber Rods
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Frequently used to make gears and bushings, these hard fiber rods can be readily machined and punched into custom parts. They are constructed from lightweight cotton fabric that's been chemically treated to make them hard and dense. Hard fiber is also known as vulcanized fiber.
45" Long | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Tensile Strength, psi | Hardness | Mil. Spec. | Flammability Rating | Color | Max. Temp., ° F | Impact Strength, ft·lbf/in | For Use Outdoors | Each | ||
| 3/16" | -0.005" to 0.005" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8653K43 | 000000 | |
| 1/4" | -0.005" to 0.005" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8653K44 | 00000 | |
| 5/16" | -0.006" to 0.006" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8653K45 | 00000 | |
| 3/8" | -0.006" to 0.006" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8653K46 | 00000 | |
| 1/2" | -0.006" to 0.006" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8653K51 | 000000 | |
| 9/16" | -0.006" to 0.006" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8653K52 | 000000 | |
| 5/8" | -0.006" to 0.006" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8653K54 | 000000 | |
| 3/4" | -0.006" to 0.006" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8653K55 | 000000 | |
Easy-Machine Hard Fiber Round Tubes
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Readily machined and punched into custom parts, these hard fiber round tubes are often made into bushings and washers. Also known as vulcanized fiber, they're constructed from lightweight cotton fabric that's been chemically treated to make it hard and dense.
40" Long | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wall Thk. | Wall Thk. Tolerance | OD | OD Tolerance | ID | ID Tolerance | Tensile Strength, psi | Hardness | Mil. Spec. | Flammability Rating | Color | Max. Temp., ° F | Impact Strength, ft·lbf/in | For Use Outdoors | Each | ||
| 1/16" | -0.01" to 0.01" | 9/16" | -0.005" to 0.005" | 7/16" | -0.008" to 0.008" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K29 | 000000 | |
| 1/16" | -0.01" to 0.01" | 5/8" | -0.005" to 0.005" | 1/2" | -0.008" to 0.008" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K33 | 00000 | |
| 1/16" | -0.01" to 0.01" | 7/8" | -0.005" to 0.005" | 3/4" | -0.008" to 0.008" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K43 | 00000 | |
| 1/16" | -0.01" to 0.01" | 1" | -0.005" to 0.005" | 7/8" | -0.008" to 0.008" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K49 | 00000 | |
| 1/8" | -0.015" to 0.015" | 11/16" | -0.005" to 0.005" | 7/16" | -0.008" to 0.008" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K35 | 00000 | |
| 1/8" | -0.01" to 0.01" | 3/4" | -0.005" to 0.005" | 1/2" | -0.008" to 0.008" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K37 | 00000 | |
| 1/8" | -0.01" to 0.01" | 1 1/4" | -0.008" to 0.008" | 1" | -0.008" to 0.008" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K55 | 00000 | |
| 1/8" | -0.01" to 0.01" | 1 1/2" | -0.008" to 0.008" | 1 1/4" | -0.01" to 0.01" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K57 | 00000 | |
| 1/8" | -0.01" to 0.01" | 1 3/4" | -0.008" to 0.008" | 1 1/2" | -0.01" to 0.01" | 9,000 to 21,000 | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148 | UL 94 HB | Gray | 235 | 1.8 to 2.5 | No | 8654K61 | 00000 | |
Electrical Insulating Hard Fiber
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Widely known as fishpaper and vulcanized fiber, these thin sheets offer better electrical insulation than standard hard fiber sheets. They are constructed from lightweight cotton fabric that's been chemically treated to make it hard and dense.
6" Wide × 12" Long | 12" Wide × 12" Long | 24" Wide × 39" Long | 39" Wide × 48" Long | 39" Wide × 60" Long | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thk. | Thk. Tolerance | Tensile Strength | Hardness | Mil. Spec. | Flammability Rating | Color | Max. Temp., ° F | Impact Strength, ft·lbf/in | For Use Outdoors | Each | Each | Each | Each | Each | ||||||
| 0.005" | -0.001" to 0.001" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | 8490K101 | 00000 | 8490K15 | 00000 | 8490K25 | 000000 | 8490K35 | 000000 | ——— | 0 | |
| 0.01" | -0.001" to 0.001" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | 8490K102 | 0000 | 8490K11 | 0000 | 8490K21 | 00000 | 8490K31 | 00000 | 8490K103 | 000000 | |
| 0.015" | -0.002" to 0.002" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | 8490K104 | 0000 | 8490K12 | 0000 | 8490K22 | 00000 | 8490K32 | 00000 | 8490K105 | 00000 | |
| 0.02" | -0.002" to 0.002" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | 8490K106 | 0000 | 8490K37 | 00000 | 8490K38 | 00000 | 8490K39 | 00000 | ——— | 0 | |
| 0.025" | -0.003" to 0.003" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | 8490K107 | 00000 | 8490K16 | 00000 | 8490K26 | 00000 | 8490K36 | 000000 | ——— | 0 | |
| 0.03" | -0.003" to 0.003" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | 8490K108 | 00000 | 8490K51 | 00000 | 8490K52 | 00000 | 8490K53 | 00000 | ——— | 0 | |
| 0.04" | -0.004" to 0.004" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | 8490K109 | 00000 | 8490K54 | 00000 | 8490K55 | 000000 | ——— | 0 | ——— | 0 | |
| 0.045" | -0.005" to 0.005" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | 8490K111 | 00000 | 8490K57 | 00000 | 8490K58 | 000000 | ——— | 0 | ——— | 0 | |
| 0.062" | -0.007" to 0.007" | 10,000 psi to 21,000 psi | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 | No | ——— | 0 | 8490K61 | 00000 | 8490K62 | 000000 | 8490K63 | 000000 | ——— | 0 | |
