Structural Profiles - Solid Round Rod (Isophthalic)
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Genius FRP
FRP structural shapes profile is made of glass fiber reinforced material, resin as adhesive, glass fiber cloth as a package reinforcement layer, through the thorough penetration, in the metal mold heating, molding, curing, drawing in the traction machine pulled A new type of composite material, with good physical properties, widely used in high strength, large span Situation.

Varieties | Size(mm) | Weight(kg/m) | Size(in) | Weight(lbs/in) |
Solid round bar | D | D | ||
| SRR60 | 6 | 0.08 | 1/4" | 0.18 |
| SRR95 | 9.5 | 0.14 | 3/8" | 0.31 |
| SRR127 | 12.7 | 0.26 | 1/2" | 0.57 |
| SRR254 | 25.4 | 1 | 1" | 2.2 |
| SRR328 | 31.8 | 1.51 | 5/4" | 3.33 |
| SRR380 | 38 | 2.15 | 3/2" | 4.74 |
| SRR42 | 4.2 | 0.03 | 3/16" | 0.07 |
| SRR80 | 8.0 | 0.1 | 5/16" | 0.22 |
| SRR16 | 16 | 0.41 | 5/8" | 0.9 |
| SRR19 | 19 | 0.55 | 3/4" | 1.21 |
| SRR20 | 20 | 0.62 | 13/16" | 1.37 |
| SRR22 | 22 | 0.72 | 7/8" | 1.59 |
Markets

Architectural
Bridge & Highway
Chemical
Food & Beverage
Manufacturing
Metals & Mining
Microelectronics
Oil & Gsa
Pharmaceutical
Power
Pulp & Paper
Recreation
Telecommunications
Transportation
Water & Wastewater
The characteristics:
Corrosion Resistant
Low Maintenance
Fire Retardant
Low Install Cost
Heavy Metal Safe
Long Service Life
Electrically & Thermally Non Conductive
High Strength-to-Weight Ratio
Introduction of raw materials——Resin type
Code | Resin type | Flame retardant property | Recommended usage occasions |
VEFR-25 | Vinyl type | Oxygen index 28 or above | Acid, alkali and other corrosive harsh environment |
IFR-25 | Meta benzene | Oxygen index 28 or above | A VEFR type economy, and excellent, moderate acid alkali and solvent |
OFR-25 | Ortho type | Oxygen index 28 or above | General acid and alkali environment |
Application:
Genius© pultruded fiberglass structural shapes from Genius Composite Inc. are used in a wide range of applications and provide a unique combination of corrosion resistance, high strength, dimensional stability and light weight, along with thermal and electric non-conductivity. Durable Genius shapes provide years of low maintenance service in areas where steel, aluminum or wood components are traditionally specified. Today ,these shapes are often used in highly corrosive applications where stainless steel and other expensive components were once required.
Genius Shapes
Mechanical Properties | ASTM | Units | Value | Units | Value |
Tensile Stress, LW | D-638 | psi | 30000 | kgf/m² | 21092086 |
Tensile Stress, CW | D-638 | psi | 7000 | kgf/m² | 4921487 |
Tensile Modulus, LW | D-638 | 10^6psi | 2.5 | 10^6kgf/m² | 1758 |
Tensile Modulus, CW | D-638 | 10^6psi | 0.8 | 10^6kgf/m² | 562 |
Compressive Stress, LW | D-695 | psi | 30000 | kgf/m² | 21092086 |
Compressive Stress, CW | D-695 | psi | 15000 | kgf/m² | 10546043 |
Compressive Modulus, LW | D-695 | 10^6psi | 2.5 | 10^6kgf/m² | 1758 |
Compressive Modulus, CW | D-695 | 10^6psi | 1 | 10^6kgf/m² | 703 |
Flexural Stress, LW | D-790 | psi | 30000 | kgf/m² | 21092086 |
Flexural Stress, CW | D-790 | psi | 10000 | kgf/m² | 7030695 |
Flexural Modulus, LW | D-790 | 10^6psi | 1.8 | 10^6kgf/m² | 1266 |
Flexural Modulus, CW | D-790 | 10^6psi | 0.8 | 10^6kgf/m² | 562 |
Modulus of Elasticity | Full Section | 10^6psi | 2.8 | 10^6kgf/m² | 1969 |
Shear Modulus | --- | 10^6psi | 0.45 | 10^6kgf/m² | 316 |
Short Beam Shear | D-2344 | psi | 4500 | kgf/m² | 3163813 |
Punch Shear | D-732 | psi | 10000 | kgf/m² | 7030695 |
Notched Izod Impact,LW | D-256 | ft.-lbs./in. | 25 | kg/m | 3.46 |
Notched Izod Impact,CW | D-256 | ft.-lbs./in. | 4 | kg/m | 0.55 |
Excludes Round Rod and Square Bar
Physical Properties | ASTM | Units | Value |
Barcoal | D-495 | --- | 45 |
24 Hour Water Absorption | D-570 | %max | 0.45 |
Density | D-792 | lbs./in.³ | 0.062-0.07 |
Coefficient of Thermal Expansion,LW | D-696 | 10^-6in./in./℃ | 8 |
Flammability Properties | ASTM | Units | Value |
Tunnel test* | E-84 | Flame Spread | 25 max |
Flammability* | D-635 | --- | Non-Burning |
Electrical Properties | ASTM | Units | Value |
Arc Resistance,LW | D-495 | seconds | 120 |
Dielectric Strength,LW | D-149 | kv./in. | 35 |
Dielectric Strength,PF | D-149 | volts/mil | 200 |
Dielectric Constant,PF | D-150 | @60hz | 5 |
LW=Lengthwise, CW=Crosswise,PF=Perpendicular to Laminate Face
*Pertains to ISOFR and VEFR only
Application Scenarios
Solid round rod (isophthalic) is commonly used for support, connection and load-bearing components that require both strength and corrosion resistance, such as platform guardrail posts, grating support rods, equipment tie rods and various structural reinforcements. In high-humidity, acid-base or salt-spray environments, the isophthalic resin system provides more stable long-term performance, making it suitable for working conditions in chemical, water treatment, marine and power industries. For specific application recommendations, please contact us to confirm based on your working conditions.
Selection Guide
When selecting, the main considerations are the required diameter, load type (tension/compression/bending), support span and the corrosion level of the service environment, based on which the required cross-sectional size and resin system can be determined. Isophthalic solid round rod is more suitable for highly corrosive or high-durability applications; for general indoor structures, cost can be evaluated comprehensively. You are welcome to contact us with your working condition parameters so we can help match the appropriate specifications.
Product Advantages
This product uses fiberglass as reinforcement and resin as matrix, and is formed by impregnation, heating and curing, and pultrusion. It features light weight, high strength, corrosion resistance, insulation and non-magnetic properties, and easy cutting and machining. The solid round rod has a dense cross-section, stable compression and bending performance, and is easy to drill, turn and assemble with other structural components. Compared with traditional metal materials, it can reduce maintenance needs in corrosive environments.
Inquiry Guide
For detailed specifications, size ranges, resin system options and supply information of this series of solid round rods, please contact us. We will provide selection recommendations and quotation solutions based on your working conditions. You may also provide the required diameter, length, quantity and service environment so that we can reply more quickly.
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