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About Composites
More
Ultra-Strength Lightweight Carbon Fiber Round Tubes
Made of carbon fiber, these are the strongest composite round tubes we offer. Carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight. These round tubes are often used to build frames and structures.
Plain Tubes
- Color: Black
- Max. Temperature: 180° F
- Tensile Strength: 120,000-175,000 psi (Excellent)
- Impact Strength: Not Rated
- Hardness: Not Rated
- For Use Outdoors: No
| Wall Thick. | OD | OD Tolerance | ID | ID Tolerance | Each | |
12" Lg. | ||||||
|---|---|---|---|---|---|---|
| 0.01" | 0.039" | -0.006" to 0.006" | 0.02" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.02" | 0.078" | -0.006" to 0.006" | 0.039" | -0.006" to 0.006" | 00000000 | 0000 |
| 0.02" | 0.118" | -0.006" to 0.006" | 0.079" | -0.006" to 0.006" | 00000000 | 0000 |
| 0.02" | 0.236" | -0.006" to 0.006" | 0.196" | -0.006" to 0.006" | 00000000 | 0000 |
| 0.04" | 0.197" | -0.006" to 0.006" | 0.118" | -0.006" to 0.006" | 00000000 | 0000 |
| 0.04" | 0.314" | -0.006" to 0.006" | 0.236" | -0.006" to 0.006" | 00000000 | 0000 |
| 0.04" | 0.393" | -0.006" to 0.006" | 0.314" | -0.006" to 0.006" | 00000000 | 0000 |
| 0.041" | 0.472" | -0.006" to 0.006" | 0.39" | -0.006" to 0.006" | 00000000 | 00000 |
39" Lg. | ||||||
| 0.01" | 0.039" | -0.006" to 0.006" | 0.02" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.02" | 0.078" | -0.006" to 0.006" | 0.039" | -0.006" to 0.006" | 00000000 | 0000 |
| 0.02" | 0.118" | -0.006" to 0.006" | 0.079" | -0.006" to 0.006" | 0000000 | 0000 |
| 0.02" | 0.236" | -0.006" to 0.006" | 0.196" | -0.006" to 0.006" | 0000000 | 00000 |
| 0.04" | 0.197" | -0.006" to 0.006" | 0.118" | -0.006" to 0.006" | 0000000 | 00000 |
| 0.04" | 0.314" | -0.006" to 0.006" | 0.236" | -0.006" to 0.006" | 0000000 | 00000 |
| 0.04" | 0.393" | -0.006" to 0.006" | 0.314" | -0.006" to 0.006" | 0000000 | 00000 |
| 0.041" | 0.472" | -0.006" to 0.006" | 0.39" | -0.006" to 0.006" | 0000000 | 00000 |
72" Lg. | ||||||
| 0.01" | 0.039" | -0.006" to 0.006" | 0.02" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.02" | 0.078" | -0.006" to 0.006" | 0.039" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.02" | 0.118" | -0.006" to 0.006" | 0.079" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.02" | 0.236" | -0.006" to 0.006" | 0.196" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.04" | 0.197" | -0.006" to 0.006" | 0.118" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.04" | 0.314" | -0.006" to 0.006" | 0.236" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.04" | 0.393" | -0.006" to 0.006" | 0.314" | -0.006" to 0.006" | 00000000 | 00000 |
| 0.041" | 0.472" | -0.006" to 0.006" | 0.39" | -0.006" to 0.006" | 00000000 | 00000 |
Checked Tubes
- Color: Black
- Max. Temperature: See table
- Tensile Strength: 120,000-175,000 psi (Excellent)
- Impact Strength: Not Rated
- Hardness: Not Rated
- For Use Outdoors: No
| Wall Thick. | Wall Thick. Tolerance | OD | OD Tolerance | ID | ID Tolerance | Max. Temp., °F | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
| 1/32" | -0.005" to 0.005" | 1" | -0.012" to 0.012" | 15/16" | -0.006" to 0.006" | 180° | 0000000 | |||
| 0.041" | -0.005" to 0.005" | 0.832" | -0.012" to 0.012" | 3/4" | -0.006" to 0.006" | 250° | 0000000 | |||
| 0.042" | -0.005" to 0.005" | 0.584" | -0.012" to 0.012" | 1/2" | -0.006" to 0.006" | 250° | 0000000 | |||
| 0.042" | -0.005" to 0.005" | 1.334" | -0.012" to 0.012" | 1 1/4" | -0.006" to 0.006" | 250° | 0000000 | |||
| 0.05" | -0.005" to 0.005" | 1.6" | -0.012" to 0.012" | 1 1/2" | -0.006" to 0.006" | 250° | 0000000 | |||
| 0.06" | -0.005" to 0.005" | 1.12" | -0.012" to 0.012" | 1" | -0.006" to 0.006" | 250° | 0000000 | |||
| 1/16" | -0.005" to 0.005" | 1 5/16" | -0.012" to 0.012" | 1 3/16" | -0.006" to 0.006" | 180° | 0000000 | |||
| 1/16" | -0.005" to 0.005" | 1 5/8" | -0.012" to 0.012" | 1 1/2" | -0.006" to 0.006" | 180° | 0000000 | |||
| 1/16" | -0.005" to 0.005" | 1 7/8" | -0.012" to 0.012" | 1 3/4" | -0.006" to 0.006" | 180° | 0000000 |
Ultra-Strength Lightweight Carbon Fiber Rods
- Color: Black
- Temperature Range: See table
- Tensile Strength: 120,000-175,000 psi (Excellent)
- Impact Strength: Not Rated
- Hardness: Not Rated
- For Use Outdoors: No
Strong and lightweight, these rods are made of carbon fiber, the strongest composite we offer. Carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight. These rods are often used to build frames and structures.
| Dia. | Dia. Tolerance | Min. Temp., °F | Max. Temp., °F | Each | |
12" Lg. | |||||
|---|---|---|---|---|---|
| 1/16" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 3/32" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 0000 |
| 1/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 0000 |
| 1/4" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 0000 |
| 5/16" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 3/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 1/2" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 5/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 3/4" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
24" Lg. | |||||
| 1/16" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 0000 |
| 3/32" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 0000 |
| 1/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 0000 |
| 1/4" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 5/16" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 3/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 1/2" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 5/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 3/4" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 000000 |
36" Lg. | |||||
| 0.011" | -0.007" to 0.007" | 0° | 250° | 0000000 | 0000 |
| 0.039" | -0.007" to 0.007" | 0° | 250° | 0000000 | 0000 |
48" Lg. | |||||
| 1/16" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 3/32" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 1/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 1/4" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 5/16" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 3/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 00000 |
| 1/2" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 000000 |
| 5/8" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 000000 |
| 3/4" | -0.006" to 0.006" | Not Rated | 180° | 0000000 | 000000 |
Ultra-Strength Lightweight Carbon Fiber Half Rounds
- Color: Black
- Temperature Range: 0° F to 250° F
- Tensile Strength: 120,000-175,000 psi (Excellent)
- Impact Strength: Not Rated
- Hardness: Not Rated
- For Use Outdoors: No
These half rounds are made of carbon fiber, our strongest composite material. They are often used to build frames and structures. Carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.
Ultra-Strength Lightweight Carbon Fiber Square Tubes
- Color: Black
- Temperature Range: 0° F to 250° F
- Tensile Strength: 120,000-175,000 psi (Excellent)
- Impact Strength: Not Rated
- Hardness: Not Rated
- For Use Outdoors: No
Often used to build frames and structures, these square tubes are made of carbon fiber, the strongest composite we offer. Carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.
Outside | Inside | ||||||
|---|---|---|---|---|---|---|---|
| Wd. | Wd. Tolerance | Ht. | Ht. Tolerance | Wd. | Ht. | Each | |
12" Lg. | |||||||
0.04" Wall Thick. (-0.02" to 0.02") | |||||||
| 0.83" | -0.02" to 0.02" | 0.83" | -0.02" to 0.02" | 3/4" | 3/4" | 0000000 | 000000 |
| 1.08" | -0.02" to 0.02" | 1.08" | -0.02" to 0.02" | 1" | 1" | 0000000 | 00000 |
0.06" Wall Thick. (-0.02" to 0.02") | |||||||
| 1.37" | -0.02" to 0.02" | 1.37" | -0.02" to 0.02" | 1 1/4" | 1 1/4" | 0000000 | 00000 |
32" Lg. | |||||||
0.04" Wall Thick. (-0.02" to 0.02") | |||||||
| 0.83" | -0.02" to 0.02" | 0.83" | -0.02" to 0.02" | 3/4" | 3/4" | 0000000 | 000000 |
| 1.08" | -0.02" to 0.02" | 1.08" | -0.02" to 0.02" | 1" | 1" | 0000000 | 000000 |
0.06" Wall Thick. (-0.02" to 0.02") | |||||||
| 1.37" | -0.02" to 0.02" | 1.37" | -0.02" to 0.02" | 1 1/4" | 1 1/4" | 0000000 | 000000 |
Easy-to-Machine Hard Fiber Sheets
- Color: Gray
- Max. Temperature: 235° F
- Tensile Strength: 9,000-21,000 psi (Good)
- Impact Strength: 1.8-2.5 ft.-lbs./in. (Good)
- Hardness: See table
- For Use Outdoors: No
- Specifications Met: See table
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.
| Thick. | Thick. Tolerance | Hardness | Specifications Met | Each | |
12" × 12" | |||||
|---|---|---|---|---|---|
| 0.02" | -0.002" to 0.002" | Rockwell R70 (Hard) | MIL-I-695A, UL 94HB | 0000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Rockwell R70 (Hard) | MIL-I-695A, UL 94HB | 0000000 | 00000 |
| 1/16" | -0.005" to 0.005" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 00000 |
| 3/32" | -0.007" to 0.007" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 00000 |
| 1/8" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 00000 |
| 3/16" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 00000 |
| 1/4" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 00000 |
| 3/8" | -0.02" to 0.02" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 1/2" | -0.025" to 0.025" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
24" × 39" | |||||
| 0.02" | -0.002" to 0.002" | Rockwell R70 (Hard) | MIL-I-695A, UL 94HB | 0000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Rockwell R70 (Hard) | MIL-I-695A, UL 94HB | 0000000 | 00000 |
| 1/16" | -0.005" to 0.005" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 00000 |
| 3/32" | -0.007" to 0.007" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 1/8" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 3/16" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 1/4" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 3/8" | -0.02" to 0.02" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 1/2" | -0.025" to 0.025" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
39" × 48" | |||||
| 0.02" | -0.002" to 0.002" | Rockwell R70 (Hard) | MIL-I-695A, UL 94HB | 0000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Rockwell R70 (Hard) | MIL-I-695A, UL 94HB | 0000000 | 00000 |
| 1/16" | -0.005" to 0.005" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 3/32" | -0.007" to 0.007" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 1/8" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 3/16" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 1/4" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 3/8" | -0.02" to 0.02" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
| 1/2" | -0.025" to 0.025" | Rockwell R80 (Hard) | MIL-F-10336A, MIL-F-1148A, UL 94HB | 0000000 | 000000 |
Easy-to-Machine Hard Fiber Tubes
- Color: Gray
- Max. Temperature: 235° F
- Tensile Strength: 9,000-21,000 psi (Good)
- Impact Strength: 1.8-2.5 ft.-lbs./in. (Good)
- Hardness: Rockwell R80 (Hard)
- For Use Outdoors: No
- Specifications Met: MIL-F-10336A, MIL-F-1148A, UL 94HB
Readily machined and punched into custom parts, these hard fiber 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.
For technical drawings and 3-D models, click on a part number.
| Wall Thick. | Wall Thick. Tolerance | OD | OD Tolerance | ID | ID Tolerance | Lg. | Each | |
| 1/16" | -0.01" to 0.01" | 9/16" | -0.005" to 0.005" | 7/16" | -0.008" to 0.008" | 40" | 0000000 | 000000 |
| 1/16" | -0.01" to 0.01" | 5/8" | -0.005" to 0.005" | 1/2" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/16" | -0.01" to 0.01" | 7/8" | -0.005" to 0.005" | 3/4" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/16" | -0.01" to 0.01" | 1" | -0.005" to 0.005" | 7/8" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/8" | -0.015" to 0.015" | 11/16" | -0.005" to 0.005" | 7/16" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 3/4" | -0.005" to 0.005" | 1/2" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 1 1/4" | -0.008" to 0.008" | 1" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 1 1/2" | -0.008" to 0.008" | 1 1/4" | -0.01" to 0.01" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 1 3/4" | -0.008" to 0.008" | 1 1/2" | -0.01" to 0.01" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 2 1/4" | -0.01" to 0.01" | 2" | -0.01" to 0.01" | 40" | 0000000 | 00000 |
| 1/4" | -0.015" to 0.015" | 2" | -0.008" to 0.008" | 1 1/2" | -0.01" to 0.01" | 40" | 0000000 | 00000 |
Easy-to-Machine Hard Fiber Rods
- Color: Gray
- Max. Temperature: 235° F
- Tensile Strength: 9,000-21,000 psi (Good)
- Impact Strength: 1.8-2.5 ft.-lbs./in. (Good)
- Hardness: Rockwell R80 (Hard)
- For Use Outdoors: No
- Specifications Met: MIL-F-10336A, MIL-F-1148A, UL 94HB
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.
For technical drawings and 3-D models, click on a part number.
Electrically Insulating Hard Fiber
- Color: Gray
- Max. Temperature: 235° F
- Tensile Strength: 9,000-21,000 psi (Good)
- Impact Strength: 1.8-2.5 ft.-lbs./in. (Good)
- Hardness: Rockwell R70 (Hard)
- For Use Outdoors: No
- Specifications Met: MIL-I-695A, UL 94HB
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.
| Thick. | Thick. Tolerance | Each | |
12" × 12" | |||
|---|---|---|---|
| 0.005" | -0.001" to 0.001" | 0000000 | 00000 |
| 0.01" | -0.001" to 0.001" | 0000000 | 0000 |
| 0.015" | -0.002" to 0.002" | 0000000 | 0000 |
24" × 39" | |||
| 0.005" | -0.001" to 0.001" | 0000000 | 00000 |
| 0.01" | -0.001" to 0.001" | 0000000 | 00000 |
| 0.015" | -0.002" to 0.002" | 0000000 | 00000 |
39" × 48" | |||
| 0.005" | -0.001" to 0.001" | 0000000 | 00000 |
| 0.01" | -0.001" to 0.001" | 0000000 | 00000 |
| 0.015" | -0.002" to 0.002" | 0000000 | 00000 |
Create-Your-Own Composites
Mold custom-shaped composite parts by layering your choice of fabric with an epoxy. The epoxy (sold separately) is a two-part resin that begins to harden in 15 hours and reaches full strength in 4 days. Finished composite pieces have a temperature range of 0° to 250° F.
Fabric with a twill weave provides equal strength in all directions.
Fabric with a unidirectional weave has most of its fibers running in one direction. This weave is preferred when making tubular parts, such as vehicle frames, where linear strength is required.
Carbon fiber fabric provides the highest strength of all our composite fabrics.
