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Solid Fiberglass Rods

Our customers often use round fiberglass rods as structural support, framing, and fabric reinforcement. Perhaps you’re making antennas, flags, tarp containment, or boat covers. The opportunities are endless! Also known as glass fiber rods, solid fiberglass rods are available in black or white, are inexpensive, non-conductive, and extremely durable. We stock solid round fiberglass rod sizes from .062” to .750” in diameter and up to 12 feet long for custom cut orders. All lengths listed below are +/- 0.25″ and all diameters listed are +/- 0.005″.

We can accommodate large orders and custom cutting – please contact us at 206-632-6151 or [email protected] to speak with a composites engineer.

Click on the product number to view product details, product pictures, related products, and more!

Metric
SAE

Fraction to Decimal Conversions:

FSB062036

.062" x 36" Black Solid Fiberglass
0.062"
36"
0.130 oz
$2.19
$2.04
$1.90
$1.77
$1.65
$1.57

FSW062036

.062" x 36" White Solid Fiberglass
0.062"
36"
0.130 oz
$2.19
$2.04
$1.90
$1.77
$1.65
$1.57

FSB062048

.062" x 48" Black Solid Fiberglass
0.062"
48"
0.173 oz
$2.83
$2.63
$2.50
$2.35
$2.21
$2.07

FSW062048

.062" x 48" White Solid Fiberglass
0.062"
48"
0.173 oz
$2.83
$2.63
$2.50
$2.35
$2.21
$2.07

FSB062072

.062" x 72" Black Solid Fiberglass - Temporarily Out of Stock
0.062"
72"
0.258 oz
$4.34
$4.06
$3.78
$3.49
$3.26
$3.13
Out of Stock

FSW062072

.062" x 72" White Solid Fiberglass
0.062"
72"
0.258 oz
$4.34
$4.06
$3.78
$3.49
$3.26
$3.13

FSB080036

.080" x 36" Black Solid Fiberglass
0.080"
36"
0.208 oz
$2.37
$2.19
$2.05
$1.91
$1.78
$1.69

FSW080036

.080" x 36" White Solid Fiberglass
0.080"
36"
0.208 oz
$2.37
$2.19
$2.05
$1.91
$1.78
$1.69

FSB080048

.080" x 48" Black Solid Fiberglass
0.080"
48"
0.278 oz
$3.20
$2.91
$2.70
$2.55
$2.41
$2.27

FSW080048

.080" x 48" White Solid Fiberglass
0.080"
48"
0.278 oz
$3.20
$2.91
$2.70
$2.55
$2.41
$2.27

FSB080072

.080" x 72" Black Solid Fiberglass
0.080"
72"
0.418 oz
$4.70
$4.34
$4.06
$3.78
$3.54
$3.35

FSW080072

.080" x 72" White Solid Fiberglass
0.080"
72"
0.418 oz
$4.70
$4.34
$4.06
$3.78
$3.54
$3.35

FSB098036

.098" x 36" Black Solid Fiberglass
0.098"
36"
0.328 oz
$2.37
$2.19
$2.05
$1.91
$1.78
$1.69

FSW098036

.098" x 36" White Solid Fiberglass
0.098"
36"
0.328 oz
$2.37
$2.19
$2.05
$1.91
$1.78
$1.69

FSB098048

.098" x 48" Black Solid Fiberglass
0.098"
48"
0.437 oz
$3.20
$2.91
$2.70
$2.55
$2.41
$2.27

FSW098048

.098" x 48" White Solid Fiberglass
0.098"
48"
0.437 oz
$3.20
$2.91
$2.70
$2.55
$2.41
$2.27

FSB098072

.098" x 72" Black Solid Fiberglass
0.098"
72"
0.654 oz
$4.55
$4.34
$4.06
$3.78
$3.54
$3.35

FSW098072

.098" x 72" White Solid Fiberglass
0.098"
72"
0.654 oz
$4.55
$4.34
$4.06
$3.78
$3.54
$3.35

FSB125036

.125" x 36" Black Solid Fiberglass
0.125"
36"
0.506 oz
$2.55
$2.34
$2.18
$2.04
$1.90
$1.78

FSW125036

.125" x 36" White Solid Fiberglass
0.125"
36"
0.506 oz
$2.55
$2.34
$2.18
$2.04
$1.90
$1.78

FSB125048

.125" x 48" Black Solid Fiberglass
0.125"
48"
0.699 oz
$3.41
$3.20
$2.97
$2.78
$2.55
$2.41

FSW125048

.125" x 48" White Solid Fiberglass
0.125"
48"
0.699 oz
$3.41
$3.20
$2.97
$2.78
$2.55
$2.41

FSB125072

.125" x 72" Black Solid Fiberglass
0.125"
72"
1.032 oz
$5.06
$4.63
$4.34
$4.06
$3.78
$3.54

FSW125072

.125" x 72" White Solid Fiberglass
0.125"
72"
1.032 oz
$5.06
$4.63
$4.34
$4.06
$3.78
$3.54

FSB156036

.156" x 36" Black Solid Fiberglass
0.156"
36"
0.866 oz
$2.77
$2.56
$2.37
$2.23
$2.07
$1.97

FSW156036

.156" x 36" White Solid Fiberglass
0.156"
36"
0.866 oz
$2.77
$2.56
$2.37
$2.23
$2.07
$1.97

FSB156048

.156" x 48" Black Solid Fiberglass - Temporarily Out of Stock
0.156"
48"
1.154 oz
$3.69
$3.41
$3.20
$2.97
$2.78
$2.63
Out of Stock

FSW156048

.156" x 48" White Solid Fiberglass
0.156"
48"
1.154 oz
$3.69
$3.41
$3.20
$2.97
$2.78
$2.63

FSB156072

.156" x 72" Black Solid Fiberglass - Temporarily Out of Stock
0.156"
72"
1.534 oz
$5.49
$5.06
$4.70
$4.40
$4.11
$3.92
Out of Stock

FSW156072

.156" x 72" White Solid Fiberglass
0.156"
72"
1.534 oz
$5.49
$5.06
$4.70
$4.40
$4.11
$3.92

FSB187048

.187" x 48" Black Solid Fiberglass
0.187"
48"
1.426 oz
$3.69
$3.41
$3.20
$2.97
$2.78
$2.63

FSW187048

.187" x 48" White Solid Fiberglass
0.187"
48"
1.426 oz
$3.69
$3.41
$3.20
$2.97
$2.78
$2.63

FSB187072

.187" x 72" Black Solid Fiberglass
0.187"
72"
2.144 oz
$5.63
$5.19
$4.83
$4.54
$4.26
$4.06

FSW187072

.187" x 72" White Solid Fiberglass
0.187"
72"
2.144 oz
$5.63
$5.19
$4.83
$4.54
$4.26
$4.06

FSB250048

.250" x 48" Black Solid Fiberglass
0.250"
48"
2.784 oz
$3.82
$3.63
$3.41
$3.13
$2.97
$2.83

FSW250048

.250" x 48" White Solid Fiberglass
0.250"
48"
2.784 oz
$3.82
$3.63
$3.41
$3.13
$2.97
$2.83

FSB250072

.250" x 72" Black Solid Fiberglass
0.250"
72"
4.194 oz
$5.77
$5.35
$4.97
$4.68
$4.40
$4.21

FSW250072

.250" x 72" White Solid Fiberglass
0.250"
72"
4.194 oz
$5.77
$5.35
$4.97
$4.68
$4.40
$4.21

FSB312048

.312" x 48" Black Solid Fiberglass
0.312"
48"
4.197 oz
$5.06
$4.63
$4.34
$4.06
$3.78
$3.54

FSW312048

.312" x 48" White Solid Fiberglass
0.312"
48"
4.197 oz
$5.06
$4.63
$4.34
$4.06
$3.78
$3.54

FSB312072

.312" x 72" Black Solid Fiberglass
0.312"
72"
6.238 oz
$7.48
$6.90
$6.40
$5.97
$5.63
$5.25

FSW312072

.312" x 72" White Solid Fiberglass
0.312"
72"
6.238 oz
$7.48
$6.90
$6.40
$5.97
$5.63
$5.25

FSB375048

.375" x 48" Black Solid Fiberglass
0.375"
48"
5.824 oz
$7.06
$6.49
$6.05
$5.63
$5.26
$4.97

FSW375048

.375" x 48" White Solid Fiberglass
0.375"
48"
5.824 oz
$7.06
$6.49
$6.05
$5.63
$5.26
$4.97

FSB375072

.375" x 72" Black Solid Fiberglass
0.375"
72"
8.778 oz
$10.53
$9.76
$9.05
$8.48
$7.91
$7.48

FSW375072

.375" x 72" White Solid Fiberglass
0.375"
72"
8.778 oz
$10.53
$9.76
$9.05
$8.48
$7.91
$7.48

FSB500048

.500" x 48" Black Solid Fiberglass
0.500"
48"
10.658 oz
$12.04
$11.10
$10.33
$9.62
$9.05
$8.48

FSW500048

.500" x 48" White Solid Fiberglass
0.500"
48"
10.658 oz
$12.04
$11.10
$10.33
$9.62
$9.05
$8.48

FSB500072

.500" x 72" Black Solid Fiberglass
0.500"
72"
16.330 oz
$18.09
$16.66
$15.52
$14.48
$13.62
$12.77

FSW500072

.500" x 72" White Solid Fiberglass
0.500"
72"
16.330 oz
$18.09
$16.66
$15.52
$14.48
$13.62
$12.77

FSB750072

.750" x 72" Black Solid Fiberglass
0.750"
72"
34.522 oz
$35.29
$32.59
$30.29
$28.30
$26.49
$24.92

FSW750072

.750" x 72" White Solid Fiberglass
0.750"
72"
34.522 oz
$35.29
$32.59
$30.29
$28.30
$26.49
$24.92

FSB750096

.750" x 96" Black Solid Fiberglass
0.750"
96"
46.080 oz
$47.11
$43.45
$40.33
$37.70
$35.29
$33.29

FSW750096

.750" x 96" White Solid Fiberglass
0.750"
96"
46.080 oz
$47.11
$43.45
$40.33
$37.70
$35.29
$33.29
PropertiesTest ProceduresSolid Rod & Bar
Glass Content,
% by weight		ASTM D258465
Tensile Strength,
psi x 103		ASTM D3916/ D638100
Tensile Modulus,
psi x 106		ASTM D3916/ D6385.5
Flexural Strength,
psi x 103		ASTM D4476/ D790100
Flexural Modulus,
psi x 106		ASTM D4476/ D7905.5
Compressive Strength
psi x 103		ASTM D69560
Barcol HardnessASTM D258350
Izod Impact, ft.-lb./in.ASTM D25640
Specific GravityASTM D7921.9
Density, lbs./in3ASTM D792.069
Water Absorption, %
(weight increase after
24 hours immersion)		ASTM D570.10
Coefficient of Thermal Expansion,
in./in./°C x 10-6 (Axial)		ASTM D696–
Dielectric Strength, volts/mil.
(Method A,type 3 electrode)		ASTM D149–
Dielectric Strength,kv./in.
(Method A,type 1 electrode)		ASTM D149–
Dielectric Constant,
60 Hz		ASTM D150–
Arc Resistance,
seconds		ASTM D495–
Volume Resistivity,
ohm-cm x 1014		ASTM D257–