Structural Profiles - Hollow Board (Orthophthalic)
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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) |
Hollow board | A1*T1*A2*T2*B*T3 | A1*T1*A2*T2*B*T3 | ||
| 500*6*450*6*48.5*6 | 16.4 | 20" x 1/4" x 18" x 1/4" x 2" x 1/4" | 36.2 | |
| 500*6*450*6*48.5*9 | 18.5 | 20" x 1/4" x 18" x 1/4" x 2" x 3/8" | 40.8 | |
| 650*13*550*13*98.5*12 | 52.5 | 51/2" x 1/2" x 173/8" x 1/2" x 4" x 1/2" | 116 | |
| 725*4.5*675*4.5*45*4.5 | 17.9 | 57/2" x 3/16" x 53/2" x 3/16" x 7/4" x 3/16" | 39.5 |
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
Orthophthalic hollow-board structural profiles are suitable for load-bearing and support applications requiring high strength and larger spans, such as platform walkways, handrail systems, frame structures and structural components in various corrosive environments. Their hollow cross-section reduces self-weight while maintaining structural stiffness, and facilitates on-site cutting and installation. For specific applicable conditions, please contact us and our technical staff will evaluate and recommend based on project conditions.
Selection Guide
Selection should take into account cross-section dimensions, wall thickness, span, load type and the corrosiveness of the service environment. In the table, the required specification can be matched using the notation A1*T1*A2*T2*B*T3. The orthophthalic resin system offers good cost-effectiveness in general corrosive environments; if conditions are special, please discuss resin system selection with us. Please contact us for detailed specifications and selection advice.
Product Advantages
This profile uses glass fiber as reinforcement and resin as matrix, and is formed by impregnation, heated compression molding and curing, and continuous pultrusion. It has the common characteristics of composite materials such as light weight and high strength, corrosion resistance, electrical insulation and non-magnetic properties. At the same cross-section height, the hollow structure helps improve bending stiffness and reduce material usage and installation load, making it suitable for structural locations with requirements on both self-weight and span.
Inquiry Guide
For detailed specifications, dimensional tolerances, available lengths and commercial terms of orthophthalic hollow-board structural profiles, please contact us. Please provide the required cross-section, quantity and service environment, and we will reply with detailed specifications and a quotation accordingly.
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