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Help CenterPultruded FRP Round Tube 10mm to 150mm OD High Strength-to-Weight Ratio Electrical Insulation Non-Conductive
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Welcome to Hengshui Ruibin New Materials LLC, a professional manufacturer established in 2019, specializing in pultruded FRP products. Our factory spans 1,000–3,000 square meters and is operated by a skilled team of 101–200 employees. With an annual export value of US$2.5–5 million, we serve markets worldwide, including North America, South America, Europe, Southeast Asia, Africa, and Oceania. Today we present our Pultruded FRP Round Tube, available in outer diameters from 10mm to 150mm.
This product combines exceptional strength with a lightweight structure, offering a high strength-to-weight ratio that outperforms traditional steel or aluminum in many applications. It is electrically non-conductive and provides reliable electrical insulation, making it an ideal choice for electrical, industrial, and structural uses where safety and durability are critical.
Key Product Features & Benefits
- High Strength-to-Weight Ratio: Up to 70% lighter than steel while maintaining comparable tensile strength, reducing handling and installation costs.
- Electrical Insulation: Non-conductive material ensures operator safety in electrical environments; excellent dielectric properties.
- Corrosion Resistance: Immune to rust, rot, and most chemicals; ideal for harsh environments like marine, chemical plants, and wastewater treatment.
- Dimensional Stability: Precision pultrusion process ensures consistent outer diameter and wall thickness across all lengths.
- Customizable Sizes: Outer diameters from 10mm to 150mm with wall thickness and length tailored to your requirements.
- Low Thermal Conductivity: Provides thermal insulation, reducing heat transfer in structural applications.
- UV Resistance: Available with UV-inhibited resin for outdoor applications (optional).
Technical Specifications (Typical Values)
| Property | Value |
|---|---|
| Outer Diameter Range | 10 mm – 150 mm |
| Wall Thickness | 1.5 mm – 10 mm (customizable) |
| Tensile Strength | 300 – 500 MPa (depending on resin & fiber content) |
| Flexural Strength | 400 – 600 MPa |
| Dielectric Strength | ≥ 10 kV/mm (insulation class F or H available) |
| Service Temperature | -40°C to +130°C (standard); up to +200°C (high-temperature resin) |
| Density | 1.7 – 2.0 g/cm³ |
| Surface Finish | Smooth (veil optional for UV or corrosion protection) |
Typical Applications
- Electrical insulation rods, busbars, and spacers
- Handrails, ladders, and structural supports in corrosive environments
- Antenna masts and lightweight structural tubes
- Cooling tower components and water treatment equipment
- Chemical plant piping and supports
- Marine and offshore applications requiring non-corrosive materials
Why Choose Hengshui Ruibin?
As a dedicated manufacturer since 2019, we have built a strong reputation for quality and reliability. Our factory is equipped with advanced pultrusion lines and strict quality control procedures. We export to global markets with annual export value between US$2.5 million and US$5 million. Our products are shipped from Port of Tianjin and Port of Qingdao, ensuring efficient logistics to customers worldwide.
We understand that every project has unique requirements. That's why we offer customized solutions in terms of diameter, wall thickness, length, and resin formulation (polyester, vinyl ester, or epoxy). Our team works closely with clients to provide the best technical support and sampling services.
Choose Hengshui Ruibin New Materials LLC for your FRP round tube needs. Benefit from our manufacturing expertise, competitive pricing, and dedication to customer satisfaction. Contact us today to discuss your specific application or request a quote. We are ready to serve you.
Frequently Asked Questions
-
Q: What outer diameters are available?
A: We offer diameters from 10mm to 150mm. Other sizes can be custom made upon request. -
Q: Is this tube electrically conductive?
A: No, FRP is inherently non-conductive. Our pultruded round tube provides excellent electrical insulation, with dielectric strength ≥10 kV/mm. -
Q: Can you provide custom lengths and wall thicknesses?
A: Yes, we can cut to any required length and adjust wall thickness within the manufacturing range. Standard lengths are 6m, but shorter/longer options available. -
Q: What is the maximum temperature this tube can withstand?
A: Standard tubes handle up to 130°C continuous. For higher temperatures (up to 200°C), we recommend using a high-temperature resin system. -
Q: What colors are available?
A: Color options include white, green, gray, and others. Surface veil can be added for UV or chemical protection. Please specify your requirement. -
Q: How does the strength compare to steel or aluminum?
A: While weight is ~70% lighter than steel, the tensile strength is comparable to mild steel. It has a higher specific strength than many metals, making it ideal for weight-sensitive structures. -
Q: Do you offer sample testing before bulk order?
A: Yes, we provide samples for evaluation. Small quantity orders are also welcome. -
Q: What certifications do your products have?
A: Our products meet industry standards for electrical insulation and mechanical performance. We can provide test reports upon request. Specific certifications can be discussed based on your market.
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