40x4mm Fiberglass Flat Bar
40x4mm Fiberglass flat bar adopts premium fiberglass material with superior corrosion resistance, good insulation performance and high structural stability. It is lightweight, wear-resistant and perfectly suitable for industrial construction, platform frames and various engineering application scenarios.
| Width | 40mm |
|---|---|
| Thickness | 4mm |
| カラー | White, black, green, blue, red, etc. |
Customizable Options
Tailored size, color, and surface finish to meet your project needs.
Factory-Direct Pricing
Save costs with direct production from our source factory.
Product Introduction
1.40x4mm Fiberglass Flat Bar Introduction
40x4mm Fiberglass Flat Bar is a high‑strength pultruded fiberglass flat bar designed for versatile industrial structural reinforcement and supporting applications. As a corrosion‑proof, lightweight, and long‑lasting alternative to steel flat bars, our 40x4mm Fiberglass Flat Bar provides reliable structural strength, stability, and durability, making it the ideal solution for building reinforcements, engineering supports, equipment brackets, and industrial construction projects worldwide.
2.Key Advantages of Our 40x4mm Fiberglass Flat Bar
| Feature (Product Characteristics) | Description (Detailed Information) |
| High Structural Strength & Stability | 40x4mm flat profile ensures excellent rigidity and load-bearing performance for light to medium-duty structural reinforcement and supporting applications. |
| Superior Corrosion & Chemical Resistance | Resistant to acids, alkalis, saltwater, oil, and UV; no rust, no rot, no painting required, ideal for long‑term use in harsh industrial and coastal environments. |
| Excellent Safety & Non‑Conductivity | Non‑conductive, fire‑retardant optional, safe for use in power construction areas and high‑risk industrial zones. |
| Lightweight & Easy Installation | Much lighter than steel flat bars, lowering transportation and labor costs; can be easily cut, drilled, and assembled on‑site without damaging structural integrity. |
| Low Maintenance & Long Service Life | Minimal upkeep required, service life up to 20+ years, greatly reducing overall lifecycle costs and eliminating regular anti-rust maintenance. |
3.Wide Range of Industrial Applications
| Application Scene | Detailed Description |
| Structural Reinforcement | Building frame reinforcements, beam supports, and concrete reinforcement components. |
| Marine & Offshore | Coastal facility reinforcements, boat structural parts, and offshore platform auxiliary supports. |
| Chemical & Processing Plants | Corrosive environment equipment brackets, workshop reinforcements, and piping supports. |
| Wastewater & Water Treatment | Sewage plant structure reinforcements, tank accessories, and drainage system supports. |
| Construction & Municipal | Safety barrier reinforcements, handrail supports, and public facility structural parts. |
4.Technical Specifications (Customizable)
| パラメータ | 値 |
| 素材 | High-quality unsaturated polyester resin / vinyl ester resin reinforced with E-glass fibers |
| Production Process | Pultruded |
| Profile Size | 40x4mm (customizable according to engineering requirements) |
| Fire resistance | 優れた |
| Load capacity | 4.2–6.5 kN/m |
| Standard sizes | 3000mm – 6000mm customizable length |
| Span tables | Average span 2.0 m |
| Load tables | 3.8–5.9 kN/m at 1.8–2.0 m span |
| Texture | Smooth, gritted anti‑slip, concave |
| Color Options | Yellow, gray, green, orange, custom RAL colors |
| Mechanical Properties | High impact resistance, fatigue resistance, strong structural stability and reinforcement performance |
| Certifications | ISO 9001, CE, ASTM standard |
5.Why Choose Our 40x4mm Fiberglass Flat Bar?
As a professional manufacturer of FRP composite products, we produce reliable 40x4mm Fiberglass Flat Bar that meets strict international quality standards. We support both standard and customized projects with professional technical support, stable production, and competitive pricing.
Contact us today to discuss your 40x4mm Fiberglass Flat Bar needs and get a free quote!

Production Line
We produce Mingchi 40x4mm Fiberglass Flat Bar on fully automated pultruded production lines, with stable and consistent process control throughout manufacturing. We implement strict quality inspections from raw material selection to final packaging, ensuring every flat bar delivers uniform quality and dependable performance for all kinds of industrial and engineering construction applications.


01- Are you Trading Company or Manufacturing Factory?
We are both manufacturer trading and company. We have our own factory and we have better service ofoverseas customers. Welcome to send your inquiry!
02- I am interested in your products, could I get sample for free?
We can supply a few pieces FREE samples if we have some in stock, and you only need to pay the freight cost by yourself. Welcome to send your inquiry for FREE samples!
03- How about the Delivery time?
10-15days after receiving the deposit based on the MOQ. Normally, 30-35days to finish the order for a 20ft container. Welcome to ask for the detailed delivery time according to your order quantity!
04- How can you guarantee the product quality?
Our whole production lines and products have been certificated by IS09001:2015, and it’s been followed strictly. We also have the professional QC team, and each our package worker will be in charge of the final inspection according to the QC instruction before packing.
05- What is about the payment terms.
Basically, the payment terms areT/T,L/C at sight. Western Union, Paypal, Moneygram, Alipay Credit card are acceptableforsample order.
06- Can you do OEM for me?
We accept all OEM orders,just contact us and give me your design,we will offer you a reasonable price ASAP.
Industry Application
Fiberglass (FRP) is a versatile, corrosion-resistant engineered material, powering critical applications across bridge infrastructure, industrial safety, chemical processing, marine terminals, municipal engineering, and solar energy. With unmatched durability, low maintenance, and high strength, FRP solutions deliver long-lasting performance for demanding industrial environments worldwide.
