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Compare our offering of composites to find the right material for you.
Arc-Resistant GPO3 Fiberglass U-Channels
 |
These GPO3 fiberglass U-channels are often used for electrical applications in humid environments. They are arc and track resistant, plus they have better electrical insulation properties than FRP fiberglass. Made of fiberglass-reinforced polyester, they're also called polyester-grade industrial laminate.
Outside | Inside | 3 ft. Long | 5 ft. Long | 6 ft. Long | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wd. | Wd. Tolerance | Ht. | Ht. Tolerance | Wd. | Ht. | Straightness Tolerance | Color | Temp. Range, ° F | Tensile Strength, psi | Impact Strength, ft·lbf/in | Hardness | For Use Outdoors | Each | Each | Each | |||||
UL 94 V-0 | ||||||||||||||||||||
1/16" Thick Wall (-0.015" to 0.015") | ||||||||||||||||||||
| 2 3/16" | -0.062" to 0.062" | 3/4" | -0.062" to 0.062" | 1 3/4" | 11/16" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K311 | 000000 | ——— | 0 | ||
1/8" Thick Wall (-0.025" to 0.025") | ||||||||||||||||||||
| 2 9/16" | -0.063" to 0.063" | 1 7/32" | -0.032" to 0.032" | 2 5/16" | 1 3/32" | 0.050"/1 ft. | Red | — | 10,000 to 15,000 | 8.2 to 12 | Barcol 50 (Hard) | No | 8523K11 | 000000 | ——— | 0 | 8523K21 | 000000 | ||
1/8" Thick Wall (-0.02" to 0.02") | ||||||||||||||||||||
| 2" | -0.062" to 0.062" | 9/16" | -0.062" to 0.062" | 1 3/4" | 7/16" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K32 | 00000 | ——— | 0 | ||
| 2" | -0.062" to 0.062" | 13/16" | -0.062" to 0.062" | 1 3/4" | 11/16" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K331 | 00000 | ——— | 0 | ||
| 2 5/16" | -0.062" to 0.062" | 3/4" | -0.062" to 0.062" | 2 1/16" | 5/8" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K341 | 00000 | ——— | 0 | ||
| 3 19/32" | -0.062" to 0.062" | 1 1/8" | -0.062" to 0.062" | 3 11/32" | 1" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K351 | 00000 | ——— | 0 | ||
| 4 1/2" | -0.062" to 0.062" | 2 1/2" | -0.062" to 0.062" | 4 1/4" | 2 3/8" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K361 | 00000 | ——— | 0 | ||
| 9 21/32" | -0.062" to 0.062" | 1 5/8" | -0.062" to 0.062" | 9 13/32" | 1 1/2" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K371 | 000000 | ——— | 0 | ||
5/32" Thick Wall (-0.02" to 0.02") | ||||||||||||||||||||
| 5 1/2" | -0.062" to 0.062" | 1 1/4" | -0.062" to 0.062" | 5 3/16" | 1 3/32" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K38 | 000000 | ——— | 0 | ||
3/16" Thick Wall (-0.025" to 0.025") | ||||||||||||||||||||
| 3 9/16" | -0.063" to 0.063" | 2 9/16" | -0.032" to 0.032" | 3 3/16" | 2 3/8" | 0.050"/1 ft. | Red | — | 10,000 to 15,000 | 8.2 to 12 | Barcol 50 (Hard) | No | 8523K12 | 00000 | ——— | 0 | 8523K22 | 00000 | ||
| 4 3/4" | -0.063" to 0.063" | 1 5/8" | -0.032" to 0.032" | 4 3/8" | 1 7/16" | 0.050"/1 ft. | Red | — | 10,000 to 15,000 | 8.2 to 12 | Barcol 50 (Hard) | No | 8523K14 | 00000 | ——— | 0 | 8523K24 | 00000 | ||
3/16" Thick Wall (-0.02" to 0.02") | ||||||||||||||||||||
| 4" | -0.062" to 0.062" | 1 3/8" | -0.062" to 0.062" | 3 5/8" | 1 3/16" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K39 | 00000 | ——— | 0 | ||
| 8 1/2" | -0.062" to 0.062" | 2 11/16" | -0.062" to 0.062" | 8 1/8" | 2 1/2" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K41 | 000000 | ——— | 0 | ||
1/4" Thick Wall (-0.025" to 0.025") | ||||||||||||||||||||
| 6 1/2" | -0.040" to 0.040" | 2 3/4" | -0.020" to 0.020" | 6" | 2 1/2" | 0.050"/1 ft. | Red | — | 10,000 to 15,000 | 8.2 to 12 | Barcol 50 (Hard) | No | 8523K16 | 00000 | ——— | 0 | 8523K26 | 000000 | ||
1/4" Thick Wall (-0.02" to 0.02") | ||||||||||||||||||||
| 2" | -0.062" to 0.062" | 1" | -0.062" to 0.062" | 1 1/2" | 3/4" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K42 | 00000 | ——— | 0 | ||
| 3" | -0.062" to 0.062" | 7/8" | -0.062" to 0.062" | 2 1/2" | 5/8" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K43 | 00000 | ——— | 0 | ||
| 3" | -0.062" to 0.062" | 1 1/2" | -0.062" to 0.062" | 2 1/2" | 1 1/4" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K44 | 00000 | ——— | 0 | ||
| 4" | -0.062" to 0.062" | 1 1/8" | -0.062" to 0.062" | 3 1/2" | 7/8" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K45 | 000000 | ——— | 0 | ||
| 4 1/2" | -0.062" to 0.062" | 2 1/2" | -0.062" to 0.062" | 4" | 2 1/4" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K46 | 000000 | ——— | 0 | ||
3/8" Thick Wall (-0.02" to 0.02") | ||||||||||||||||||||
| 11 9/32" | -0.062" to 0.062" | 1 5/8" | -0.032" to 0.032" | 10 17/32" | 1 1/4" | 0.050"/1 ft. | Red | -50 to 265 | 10,000 to 15,000 | 8.2 to 12 | Rockwell M95 (Hard) | No | ——— | 0 | 8523K47 | 000000 | ——— | 0 | ||
Structural FRP Fiberglass U-Channels
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Made of fiberglass-reinforced polyester, these FRP U-channels resist corrosion and won't rot, warp, or absorb moisture like wood. They're electrically nonconductive, making them well suited for chemical processing, water treatment, and electrical enclosures. At roughly one-quarter the weight of steel, they're easier to handle and install while still providing reliable structural support.
Outside | Inside | 5 ft. Long | 10 ft. Long | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wd. | Wd. Tolerance | Ht. | Ht. Tolerance | Wd. | Ht. | Straightness Tolerance | Color | Temp. Range, ° F | Tensile Strength, psi | Impact Strength, ft·lbf/in | Hardness | For Use Outdoors | Each | Each | ||||
1/8" Thick Wall (-0.013" to 0.013") | ||||||||||||||||||
| 2" | -0.094" to 0.094" | 9/16" | -0.094" to 0.094" | 1 3/4" | 7/16" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 8529K61 | 000000 | 8529K21 | 000000 | ||
3/16" Thick Wall (-0.019" to 0.019") | ||||||||||||||||||
| 3 1/2" | -0.094" to 0.094" | 1 1/2" | -0.094" to 0.094" | 3 1/8" | 1 5/16" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 8529K41 | 00000 | 8529K51 | 000000 | ||
1/4" Thick Wall (-0.025" to 0.025") | ||||||||||||||||||
| 3" | -0.094" to 0.094" | 7/8" | -0.094" to 0.094" | 2 1/2" | 5/8" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 8529K62 | 00000 | 8529K22 | 00000 | ||
| 3" | -0.094" to 0.094" | 1" | -0.094" to 0.094" | 2 1/2" | 3/4" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 8529K11 | 00000 | 8529K31 | 000000 | ||
| 4" | -0.094" to 0.094" | 1 1/8" | -0.094" to 0.094" | 3 1/2" | 7/8" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 8529K63 | 00000 | 8529K23 | 000000 | ||
| 6" | -0.094" to 0.094" | 1 5/8" | -0.094" to 0.094" | 5 1/2" | 1 3/8" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 8529K65 | 00000 | 8529K25 | 000000 | ||
| 8" | -0.094" to 0.094" | 2 3/16" | -0.094" to 0.094" | 7 1/2" | 1 15/16" | 0.050"/1 ft. | Green | -60 to 140 | 7,000 to 30,000 | 4 to 25 | Barcol 45 (Hard) | Yes | 8529K45 | 000000 | 8529K55 | 000000 | ||
High-Strength Lightweight Carbon Fiber U-Channels
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Often used to make railings, edge covers, and other structural framing parts, these carbon fiber U-channels add stiffness and strength to applications without adding a lot of weight. They’re similar in strength to 6061 aluminum yet lighter in weight. With a plain weave and 0°/90° construction layup, all are easy to machine. They won’t splinter when cut.
Outside | Inside | 36" Long | 74" Long | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wd. | Wd. Tolerance | Ht. | Ht. Tolerance | Wd. | Ht. | Color | Tensile Strength, psi | Fiber Tensile Stiffness | Max. Temp., ° F | Impact Strength | Hardness | For Use Outdoors | Each | Each | ||||
Checked Glossy U-Channels | ||||||||||||||||||
0.05" Thick Wall (-0.06" to 0.06") | ||||||||||||||||||
| 2 1/8" | -0.125" to 0.125" | 1" | -0.126" to 0.126" | 2" | 0.945" | Black | 103,000 | 33 msi to 36 msi (Standard) | 275 | Not Rated | Not Rated | No | 5218N112 | 0000000 | 5218N111 | 0000000 | ||
| 2 1/8" | -0.125" to 0.125" | 1 1/4" | -0.128" to 0.128" | 2" | 1.195" | Black | 103,000 | 33 msi to 36 msi (Standard) | 275 | Not Rated | Not Rated | No | 5218N114 | 000000 | 5218N113 | 000000 | ||
| 2 1/8" | -0.125" to 0.125" | 1 1/2" | -0.132" to 0.132" | 2" | 1.445" | Black | 103,000 | 33 msi to 36 msi (Standard) | 275 | Not Rated | Not Rated | No | 5218N116 | 000000 | 5218N115 | 000000 | ||
| 3 1/8" | -0.125" to 0.125" | 1 1/2" | -0.132" to 0.132" | 3" | 1.445" | Black | 103,000 | 33 msi to 36 msi (Standard) | 275 | Not Rated | Not Rated | No | 5218N118 | 000000 | 5218N117 | 000000 | ||
| 3 1/8" | -0.125" to 0.125" | 1 3/4" | -0.134" to 0.134" | 3" | 1.695" | Black | 103,000 | 33 msi to 36 msi (Standard) | 275 | Not Rated | Not Rated | No | 5218N121 | 000000 | 5218N119 | 000000 | ||
0.06" Thick Wall (-0.06" to 0.06") | ||||||||||||||||||
| 4 1/8" | -0.125" to 0.125" | 2" | -0.136" to 0.136" | 4" | 1.935" | Black | 103,000 | 33 msi to 36 msi (Standard) | 275 | Not Rated | Not Rated | No | 5218N123 | 000000 | 5218N122 | 000000 | ||
| 4 1/8" | -0.125" to 0.125" | 2 1/4" | -0.138" to 0.138" | 4" | 2.185" | Black | 103,000 | 33 msi to 36 msi (Standard) | 275 | Not Rated | Not Rated | No | 5218N125 | 000000 | 5218N124 | 000000 | ||
