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    Compare our offering of composites to find the right material for you.

    Arc-Resistant GPO3 Fiberglass U-Channels

    Image of Product. Front orientation. Fiberglass. 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
    Impact Strength
    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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———000000000000000———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.Red10,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Barcol 50 (Hard)No0000000000000———00000000000000
     
    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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———0000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———00000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———00000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———00000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———00000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———000000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———0000000000000———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.Red10,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Barcol 50 (Hard)No000000000000———0000000000000
    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.Red10,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Barcol 50 (Hard)No000000000000———0000000000000
     
    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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———0000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———00000000000000———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.Red10,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Barcol 50 (Hard)No000000000000———00000000000000
     
    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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———0000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———0000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———0000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———00000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———00000000000000———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 26510,000 psi to 15,000 psi (Good)8.2 ft·lbf/in to 12 ft·lbf/in (Excellent)Rockwell M95 (Hard)No———00000000000000———0
     

    Structural FRP Fiberglass U-Channels

    Image of Product. Front orientation. Fiberglass. Structural FRP Fiberglass U-Channels.
    Made of fiberglass-reinforced polyester, these FRP fiberglass U-channels are an alternative to wood in structural applications. They are strong and lightweight.
    Outside
    Inside
    5 ft. Long
    10 ft. Long
    Wd.
    Wd. Tolerance
    Ht.
    Ht. Tolerance
    Wd.
    Ht.
    Straightness
    Tolerance
    Color
    Temp. Range,
    ° F
    Tensile Strength
    Impact Strength
    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 1407,000 psi to 30,000 psi (Good)4 ft·lbf/in to 25 ft·lbf/in (Excellent)Barcol 45 (Hard)Yes00000000000000000000000000
     
    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 1407,000 psi to 30,000 psi (Good)4 ft·lbf/in to 25 ft·lbf/in (Excellent)Barcol 45 (Hard)Yes0000000000000000000000000
     
    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 1407,000 psi to 30,000 psi (Good)4 ft·lbf/in to 25 ft·lbf/in (Excellent)Barcol 45 (Hard)Yes000000000000000000000000
    3"-0.094" to 0.094"1"-0.094" to 0.094"2 1/2"3/4"0.050"/1 ft.Green-60 to 1407,000 psi to 30,000 psi (Good)4 ft·lbf/in to 25 ft·lbf/in (Excellent)Barcol 45 (Hard)Yes000000000000000000000000
    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 1407,000 psi to 30,000 psi (Good)4 ft·lbf/in to 25 ft·lbf/in (Excellent)Barcol 45 (Hard)Yes0000000000000000000000000
    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 1407,000 psi to 30,000 psi (Good)4 ft·lbf/in to 25 ft·lbf/in (Excellent)Barcol 45 (Hard)Yes0000000000000000000000000
    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 1407,000 psi to 30,000 psi (Good)4 ft·lbf/in to 25 ft·lbf/in (Excellent)Barcol 45 (Hard)Yes00000000000000000000000000
     
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