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Fiberglass Square Tube Profiles are robust, hollow structural members designed to provide exceptional strength and versatility in a lightweight package. Manufactured through the pultrusion process, these tubes consist of glass fiber reinforcements embedded in a durable resin matrix, resulting in a uniform cross-section with consistent mechanical properties. Their square shape offers superior torsional stiffness and load-bearing capacity, making them ideal for applications requiring structural stability and resistance to bending, twisting, or impact.
Precision Engineering: Available in a wide range of sizes (from 10x10mm to 200x200mm and custom dimensions) with consistent wall thickness, ensuring compatibility with standard fittings and easy integration into existing designs.
High Strength-to-Weight Ratio: Capable of withstanding heavy loads while remaining up to 75% lighter than steel tubes, reducing transportation costs and installation effort.
Corrosion Resistance: Impervious to rust, moisture, and chemical attacks, making them suitable for harsh environments such as marine, agricultural, and industrial settings.
Electrical and Thermal Insulation: Non-conductive nature prevents electrical hazards and thermal transfer, making them safe for use in electrical enclosures and temperature-sensitive applications.
Smooth Surface Finish: The pultrusion process creates a sleek, maintenance-free surface that resists dirt, debris, and microbial growth, ideal for hygienic environments.
Structural Framing: Used in building frameworks, mezzanine floors, and temporary structures, providing a cost-effective alternative to steel with better corrosion resistance.
Mechanical Protection: Guards and enclosures for machinery, conveyor belts, and moving parts, offering impact resistance without compromising visibility or access.
Shelving and Racking Systems: Lightweight yet sturdy supports for warehouse shelves, retail displays, and storage units, capable of handling heavy loads while resisting damage from moisture or chemicals.
Renewable Energy: Mounting structures for solar panels, wind turbine components, and battery enclosures, ensuring long-term performance in outdoor environments.
Transportation: Trailer frames, truck body supports, and caravan structures, reducing vehicle weight to improve fuel efficiency and payload capacity.
Q: What is the load-bearing capacity of fiberglass square tubes?
A: Capacity varies by size and wall thickness, with smaller tubes supporting up to 500 kg and larger industrial-grade tubes capable of over 5,000 kg in axial compression.
Q: Can they be welded or bonded?
A: While welding is not recommended, they can be securely fastened using adhesives, mechanical fasteners, or specialized FRP connectors for strong, durable joints.
Q: Do they expand or contract with temperature changes?
A: They have a low coefficient of thermal expansion (approximately 25x10⁻⁶/°C), similar to aluminum, ensuring dimensional stability in varying climates.
Q: Are custom surface treatments available?
A: Yes, options include anti-slip coatings, UV-resistant finishes, and conductive coatings for specific applications, enhancing functionality and appearance.