Our Fibreglass (FRP/GRP) Square Tube is manufactured using advanced pultrusion technology. It possesses excellent corrosion resistance and is widely used in various fields such as construction, chemical industry and transportation. This corrosion resistance tube has the advantages of high strength, light weight, high temperature resistance and antistatic property, and is especially suitable for use in harsh environments. The fibreglass square tube and frp square tube offer extremely high durability and reliability, ensuring long-term stable use. We provide competitive frp square tube prices and tailor-made solutions for global customers to meet various needs.
| Item | W | H | T | Weight | |
| mm | mm | mm | kg/m | ||
| Fibreglass Square Tube | ![]() | 30 | 30 | 2 | 0.44 |
| 40 | 20 | 3 | 0.63 | ||
| 40 | 40 | 3 | 0.86 | ||
| 50 | 50 | 2.7 | 0.99 | ||
| 50 | 50 | 5 | 1.73 | ||
| 50 | 50 | 5.85 | 1.99 | ||
| 50 | 50 | 6.35 | 2.13 | ||
| 51 | 51 | 3.2 | 1.18 | ||
| 51 | 51 | 5.5 | 1.93 | ||
| 51 | 51 | 6.35 | 2.18 | ||
| 51 | 51 | 6.85 | 2.33 | ||
| 58 | 25 | 3 | 0.89 | ||
| 60 | 60 | 4.25 | 1.82 | ||
| 60 | 60 | 5 | 2.12 | ||
| 75 | 75 | 6 | 3.18 | ||
| 76 | 76 | 6.35 | 3.40 | ||
| 100 | 100 | 5.55 | 4.03 | ||
| 100 | 100 | 8 | 5.66 | ||
| 101.6 | 101.6 | 6.35 | 4.65 | ||
| 101.6 | 101.6 | 8.8 | 6.28 | ||


Fibreglass Square Tube Application ▼
Cable Tray and Cable Ladder >> |
Cooling Tower >> |
Handrail Ladder and Fence >> |
Offshore Platform >> |
New Energy >> |
Infrastructure >> |
Water Treatment >> |
Transportation >> |
Company Profile ▼ Nanjing Hypro Composites Co., Ltd. 's fiberglass rectangular tubeare manufactured in a state-of-the-art production plant, using a variety of resin matrix and fiber reinforcement combinations to produce the highest quality pultruded composite profiles. It is committed to produce of "high strength, lightweight, corrosion resistance, high flame-retardant and anti-static" in the field of composite materials, and providing customers worldwide with safer, sustainable and customized products solutions. |
Customized frp square tube Experience
◆ Advanced digital control pultrusion lines satisfy the customer’s various dimensional and productivity requirements | ◆ Core team members have over 20+ years’ experience on FRP Square Tube industry |
◆ Fast response and reaction | ◆ Efficient supply chain, shortest development procedure satisfies the urgent new cases demand |
Our Innovation
◆ Our design team creates world-class frp square tube. | ◆ Functional, simple and well-engineered fibreglass square tube. |
◆ High strength and top-class fire-retardant profiles, satisfy the RoHS and REACH requirements. | ◆ World’s leading fiberglass safety step platform and structure. |

It holds lots of national invention patents and is a National high-tech enterprise and Nanjing Gazelle Enterprise.
Certified to ISO 9001-2015, ISO14001-2015, ISO45001-2018, and regularly audited means that customers can be assured the manufacturing process and our fibreglass square tubes are of the highest standard and quality.
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FAQ ▼
Q: What services and support does your company provide for fibreglass square tube products?
A: ◆ Tailored Around Our Client Specific Needs ◆ Meeting Customer Productivity Requirements
◆ Structural Design For The Project ◆ Provide Quotation And Delivery Time According To Order
◆ Professional Installation Services And Product Testing ◆ One-stop After-sales And Quick Response
Q: As an experienced manufacturer, how do you ensure the quality of your frp square tube products?
A: We have a number of national invention patents and are a national high-tech enterprise and a Nanjing Gazelle Enterprise. And ISO 9001-2015, ISO14001-2015, ISO45001-2018 certification and regular audits mean that customers can rest assured that the manufacturing process and our frp square tube meet the highest standards and quality.
Q: What are the advantages of our corrosion resistance tube products?
A: High strength/ Impact resistance/ Light weight/ Corrosion resistance/ Non-conductive/ Electro-magnetic transprency/ Dimensional stability/ Low temperature performance
Q: In what areas can fibreglass square tube be used?
A: Can be widely used on wind, building, transportation, infrastructure, telecommunication, transportation, electricity, paper, textile industries etc.
Q: How long does it take to receive a response after submitting an inquiry?
A: After submitting your inquiry, we will respond as soon as possible and give you professional suggestions. We will give you a reply within 24 hours at the latest. Please rest assured.
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Tel: 0086-15051813993
Email: angela.liu@nhcfrp.com
No. 10 Dongxu Road, Economic Development Zone, Gaochun, Nanjing
Nanjing Hypro Composites Co., Ltd is a specialized manufacturer who have many years of experience designing, development and manufacturing advanced high performance composite products that are produced in first class production plant producing the highest quality pultruded composites profiles in multiple resin matrix and fiber reinforcement combinations.