Structural Fiberglass FRP Round & Square Tube

1: Winding angle, 45°~65° (winding angle can be adjusted according to different requirements to achieve better mechanical properties);

2: Fiber content (weight ratio), 70% to 75%;

3: Density, 2.00g/cm³;

4: Water absorption, less than 0.03%;

5: Axial thermal expansion coefficient, 1.8E-05 1/K;

6: Glass transition temperature, 110~120℃;

7: Chemical resistance Mineral oil: excellent;

8: Solvent and dilute acid: excellent;

9: Tensile elastic modulus, axial 14000 MPa;

10: Tensile strength: 280 MPa in the axial direction; 600 MPa in the circumferential direction;

11: Shear strength: 150 MPa;

12: Bending strength: axial 350 MPa;

13: Compressive strength: axial 240 MPa;

14: Relative dielectric constant 2-3.2;

15: Dielectric loss factor 0.003-0.015;

16: Partial discharge ≤5;

17: Dielectric strength: axial 3~6kv/mm; radial 10~12kv/mm;

18: Lightning shock: 110KV;

19: Power frequency shock: 50KV;

20: Heat resistance class: B, F, H;

21: inner diameter > 5mm; outer diameter < 300mm; length < 2000mm.


The above data is only for reference, the casing parameters we produce are customized for each customer's needs!


Contact available at : 

Jacky Shen - Sales manager 

Email:jacky@zjhtxc.com



  • Description

Product Description:

The Structural Fiberglass FRP Round & Square Tube is a versatile and durable construction material made from fiberglass reinforced plastic (FRP). It is designed to provide exceptional strength and rigidity while being lightweight and corrosion-resistant. This makes it an ideal choice for various structural applications.

The round and square tube profiles of this product offer flexibility in design and construction. They can be easily cut, shaped, and assembled to meet specific project requirements. The tubes are available in various sizes and thicknesses, allowing for customization and adaptability to different applications.

One of the key features of the Structural Fiberglass FRP Round & Square Tube is its high strength-to-weight ratio. Despite being lightweight, it exhibits remarkable strength and load-bearing capacity. This makes it suitable for applications where weight reduction is desired without compromising structural integrity.

The FRP construction of these tubes provides excellent corrosion resistance. They are impervious to moisture, chemicals, and UV radiation, making them ideal for outdoor and harsh environments. Unlike traditional materials like steel or wood, FRP tubes do not rust, rot, or degrade over time, resulting in long-term durability and cost savings.

Another notable feature of the Structural Fiberglass FRP Round & Square Tube is its electrical insulation properties. FRP is a non-conductive material, meaning it does not conduct electricity. This makes it safe for use in electrical applications, where isolation and protection against electrical hazards are crucial.

Additionally, the FRP tubes are resistant to fire and have low thermal conductivity. They do not easily ignite or propagate flames, contributing to enhanced safety in fire-prone environments. The low thermal conductivity helps in maintaining temperature stability and reducing heat transfer.

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