Structural Profile - Curved Flat Bar (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) |
Riglet radian | Width*Thickness | Width*Thickness | ||
| FS50A | 50*3.2 | 0.29 | 2" x 1/8" | 0.64 |
| FS60A | 60*3.2 | 0.36 | 19/8" x 1/8" | 0.79 |
| FS70 | 70*4 | 0.54 | 19" x 3/16" | 1.19 |
| FS90A | 90*3.2 | 0.54 | 7/2" x 1/8" | 1.19 |
| FS100 | 100*3.2 | 0.6 | 4" x 1/8" | 1.32 |
| FS120 | 120*3 | 0.7 | 19/4" x 1/8" | 1.54 |
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
Curved flat bar (isophthalic resin type) is commonly used in areas requiring curved surface fitting and structural reinforcement, such as circumferential reinforcement of tanks, pipe supports, curved walkway frames, and handrail and platform edge trimming. The isophthalic resin system makes it preferred in working conditions with higher corrosion resistance and weather resistance requirements, suitable for chemical, water treatment, marine, and general industrial environments. For specific applicable conditions, please confirm with us based on media and load conditions.
Selection Guide
When selecting, it is recommended to first confirm the arc radius and fitting surface curvature, then determine width and thickness based on span and load requirements, and finally check hole positions and connectors according to the installation method (bolt fixing, bonding, or splicing with grating/profiles). The recommended specifications in the table are conventional references. If existing specifications do not match your arc or load, please contact us for customization according to drawings and samples. Welcome to contact us for detailed specifications and quotations.
Product Advantages
The combination of glass fiber reinforcement and isophthalic resin gives the profile characteristics such as light weight and high strength, corrosion resistance, insulation and non-magnetic properties, and easy cutting and installation, making it suitable for replacing some metal profiles to reduce self-weight and lower maintenance frequency. The pultrusion process ensures stable cross-sectional dimensions and continuous fiber distribution, and the curved structure provides more uniform stress distribution under load. Specific data such as coefficient of thermal expansion and electrical insulation properties can be confirmed by requesting documentation.
Inquiry Guide
If you need to confirm the specifications, resin system, or matching connection solution for curved flat bar, please provide information such as usage environment, arc radius, length, and quantity, and we will assist in matching the appropriate model. For commercial terms such as price, minimum order quantity, and delivery time, welcome to contact us for detailed specifications and quotations. Samples and technical support can also be discussed together.
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