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Help CenterFRP Rectangular Tube Used in Solar Panel Mounting Frames, Lightweight, High Strength
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Hengshui Ruibin New Materials LLC, an experienced manufacturer founded in 2019 with a modern factory spanning 1,000–3,000 square meters and a dedicated team of 101–200 employees, proudly introduces our FRP Rectangular Tube specially designed for solar panel mounting frames. Combining lightweight properties with exceptional strength, our FRP tubes offer a reliable, corrosion-resistant alternative to traditional metal profiles. These tubes are engineered to reduce installation costs and simplify handling without compromising structural integrity, making them an ideal choice for photovoltaic support systems across diverse climates.
Lightweight & High Strength Design
Our rectangular tubes are produced using pultrusion technology with high-quality fiberglass and polyester/vinyl ester resin. The result is a composite profile that is up to 70% lighter than steel yet delivers comparable tensile strength. This unique combination allows for easier transportation, faster assembly, and reduced load on building structures — critical for rooftop and ground-mounted solar arrays.
Key Features & Technical Specifications
- Corrosion Resistance: Impervious to rust, rot, and chemical attack — ideal for coastal, industrial, and humid environments.
- UV Stabilization: Resin system includes UV inhibitors to prevent degradation from prolonged sun exposure.
- Non-Conductive: Electrical insulator, reducing risk of grounding issues in solar installations.
- Low Thermal Expansion: Minimal expansion/contraction compared to metals, maintaining frame alignment.
- Customizable Dimensions: Available in a wide range of rectangular sizes, wall thicknesses, and lengths to match specific mounting designs.
- Easy Fabrication: Can be cut, drilled, and bolted on-site using standard tools.
| Parameter | Typical Value / Range |
|---|---|
| Section Size (mm) | 40x20, 50x25, 60x40, 80x40, 100x50 (custom) |
| Wall Thickness (mm) | 2.0, 2.5, 3.0, 4.0, 5.0 |
| Tensile Strength (MPa) | ≥ 300 |
| Flexural Modulus (GPa) | ≥ 20 |
| Density (g/cm³) | 1.8 – 2.0 |
| Operating Temperature (°C) | -40 to +80 |
| Color Options | White, Grey, Black (custom RAL colors available upon request) |
Benefits for Solar Mounting Applications
Using FRP rectangular tubes in solar racking systems provides tangible advantages: lighter weight reduces transport and labor costs; non-corrosive nature extends service life in harsh environments; electrical insulation adds safety; and the material’s low thermal expansion ensures panel alignment remains stable over temperature swings. Additionally, our tubes are fully recyclable at end of life, supporting sustainable energy projects.
Why Choose Hengshui Ruibin New Materials LLC?
With an annual export value between US$2.5 million and US$5 million, we serve clients across North America, South America, Europe, Asia, Africa, and Oceania. Our factory is equipped with advanced pultrusion lines and strict quality control processes. We offer flexible customization, competitive pricing, and reliable delivery via Port of Tianjin or Qingdao. Our team of over 100 skilled workers ensures consistent product quality and responsive customer support.
Frequently Asked Questions
Q1: Can the FRP tube be used for both rooftop and ground-mounted solar frames?
Yes. Our rectangular FRP tubes are suitable for both applications due to their lightweight nature and high load-bearing capacity. They can be adapted to various mounting structures.
Q2: What are the standard lengths available?
Standard lengths range from 3 to 6 meters, but we can produce custom lengths up to 12 meters based on your project requirements.
Q3: Is the material UV resistant?
Absolutely. Our FRP tubes include UV inhibitors in the resin formulation to prevent degradation from sunlight exposure, ensuring long-term outdoor performance.
Q4: Can I get a specific color for my project?
Yes. While white and grey are stock colors, we can match custom RAL colors for volume orders. Please contact us with your requirements.
Q5: How do I join the FRP tubes together for frame assembly?
The tubes can be connected using stainless steel bolts, brackets, or adhesive bonding. They can be cut and drilled on-site with standard woodworking tools.
Q6: What is the typical lead time for an order of 5,000 meters?
Lead time depends on specification and quantity. For a typical order, it ranges from 15 to 25 working days. We can expedite for urgent projects upon request.
Q7: Do you provide sample testing before bulk purchase?
Yes, we offer free samples (excluding freight) for quality evaluation. We recommend testing under your actual installation conditions.
Q8: Are these tubes resistant to saltwater and chemicals?
Yes. The composite material offers excellent resistance to saltwater, most acids, alkalis, and solvents, making it ideal for coastal or industrial environments.
Contact us today to discuss your solar frame project. Our engineering team can help you select the right FRP rectangular tube profile and provide a competitive quotation. Hengshui Ruibin New Materials LLC – your reliable partner for lightweight, high-strength composite solutions.
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