Product Overview
Pultruded Fiberglass Round Tubes are manufactured through a continuous pultrusion process that ensures high fiber content, uniform cross-sections, and consistent quality. Compared to steel, aluminum, or PVC, FRP/GRP round tubes offer excellent resistance to corrosion, impact, and chemicals, making them suitable for demanding environments.
Key Features & Advantages
High Strength-to-Weight Ratio – Stronger than steel at a fraction of the weight.
Corrosion Resistant – Withstands harsh chemicals, saltwater, and outdoor exposure.
Electrical Insulation – Non-conductive material, safe for electrical installations.
Dimensional Stability – Maintains shape and performance under temperature changes.
Low Maintenance – Reduces long-term costs compared to metal alternatives.

Pultruded Fiberglass Tubes
Specifications (Technical Data)
Available Sizes
Outer Diameter: 10mm – 200mm
Wall Thickness: 1.5mm – 10mm
Length: Customizable up to 6 meters
Material Properties
Fiber Content: ≥ 60%
Tensile Strength: ≥ 600 MPa
Flexural Strength: ≥ 500 MPa
Density: 1.9–2.0 g/cm³
Temperature Resistance: -40°C to +180°C
Applications of Pultruded Fiberglass Round Tubes
Construction & Infrastructure – Bridges, walkways, supports, and handrails
Electrical Industry – Cable management, insulation tubes, and non-conductive supports
Marine & Offshore – Saltwater-resistant components for boats, docks, and offshore platforms
Industrial Equipment – Structural frames, pipelines, and reinforcement rods
Recreational Use – Tent poles, sports equipment, and composite reinforcements
Why Choose Our Pultruded Fiberglass Round Tubes?
Over 10 years of FRP/GRP manufacturing expertise
Custom dimensions and colors available
Strict quality control and ISO-certified production
Global supply capability with competitive pricing
FAQ – Frequently Asked Questions
Q1: What is the difference between pultruded fiberglass round tubes and molded fiberglass tubes?
A1: Pultruded tubes are produced in continuous lengths with uniform cross-sections, offering higher fiber content and strength, while molded tubes are typically used for complex shapes.
Q2: Can pultruded fiberglass round tubes replace steel or aluminum tubes?
A2: Yes, in many cases. They provide comparable strength while being lighter and corrosion-resistant, reducing long-term maintenance costs.
Q3: Are these tubes UV resistant for outdoor use?
A3: Yes, UV inhibitors can be added to enhance weather resistance, making them ideal for outdoor applications.
Q4: Can you produce customized sizes and colors?
A4: Absolutely. We offer tailored dimensions, wall thicknesses, and colors according to customer requirements.
Q5: What industries use pultruded fiberglass round tubes most frequently?
A5: Construction, marine, electrical, and industrial equipment are the top sectors using FRP/GRP tubes.
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