Pultruded FRP Solid Rod

Pultruded FRP Solid Rods are engineered composite materials that offer superior strength, lightweight construction, and durability for demanding environments. Manufactured through a pultrusion process, these rods combine reinforcing fibers with a resin matrix, delivering high mechanical properties and resistance to environmental factors.

Materialien

Glass Fiber Reinforced Polymer (GFRP), Carbon Fiber Reinforced Polymer (CFRP), Epoxy, Vinyl Ester, Polyester

Surface Finishes

Smooth, Matte, Textured, Glossy, Custom finishes available

Compliance Standards

ASTM D638, ASTM D791, ISO 9001, ISO 14001, UL 94 V-0

Cross-Section Area (A)

Custom sizes; typical values range from 10 mm² to 1000 mm²

Mass per Meter (m)

Typically 0.2 to 2.5 kg/m (depending on diameter and fiber type)

Product Description

Pultruded FRP Solid Rods offer a high strength-to-weight ratio, making them ideal for applications requiring both strength and minimal weight. The reinforced fibers, such as glass or carbon, ensure exceptional tensile strength without adding significant mass. This property is critical in aerospace, automotive, and construction industries, where reducing weight is essential for performance and cost efficiency.

Moment of Inertia (Ix / Iy)

Ix – 1.2 x 10^-6 to 2.5 x 10^-3 cm⁴, Iy – 1.0 x 10^-6 to 1.8 x 10^-3 cm⁴ (depending on cross-section)

Section Modulus (Zx / Zy)

1.0 x 10^-3 to 2.5 x 10^-1 cm³ (depending on cross-section and fiber orientation)

Radius of Gyration (ix / iy)

1.5 to 8.0 cm (depending on diameter and fiber orientation)

Max. Axial Load (Euler Buckling)

Up to 2500 N (based on rod diameter and material composition)

Max. Load at Slot (Shear Test)

Typically 500 N to 3000 N (depending on cross-section and fiber type)

Torsional Constant (J)

0.5 x 10^-6 to 2.5 x 10^-3 cm⁴ (depending on diameter and shape)

Max Torque (Torsional Load Limit)

Up to 100 Nm (depending on material and diameter)

Elastic Deflection (100 N Load)

Typically 0.1 mm to 1.5 mm (depending on cross-section and fiber orientation)

Dynamic Load Rating

5000 to 50,000 cycles (depending on material type and application)

Compatibility Tolerance

±0.2 mm to ±0.5 mm (depending on manufacturing process and specifications)

Machining Precision Grade

±0.05 mm to ±0.2 mm (depending on tooling and machining processes)

Fatigue Life (Slot Edge)

50,000 to 200,000 cycles (based on testing and material composition)

Thermal Expansion (ΔL @ ΔT=50°C)

0.2 to 0.6 mm/m/°C (depending on fiber type and resin matrix)

Slot Pull-Out Resistance

100 N to 2000 N (depending on fiber orientation and resin choice)

Max Load Bearing at Corner Joint

Up to 5000 N (depending on rod diameter and joint design)

Technical Advantages

The resin matrix in Pultruded FRP (Fiber Reinforced Polymer) Solid Rods ensures resistance to corrosion from chemicals, moisture, and UV radiation. Unlike metals, which degrade in harsh conditions, these rods maintain their integrity in corrosive environments like marine, chemical, and wastewater treatment sectors, offering extended service life and reliability.

Pultruded FRP Solid Rods are non-conductive, providing excellent electrical insulation. This makes them an ideal choice for power transmission, electrical components, and grounding systems. Their high dielectric strength ensures safety by reducing the risk of electrical hazards, making them suitable for both low and high-voltage applications.

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Industry Applications

Luft-und Raumfahrt

Used for structural components due to high strength-to-weight ratio, minimizing weight without compromising on load-bearing capacity or durability.

Electrical Power Transmission

Serves as electrical insulation in power lines and transmission systems, providing reliable non-conductive properties for safety and performance.

Marine

Utilized in boat and shipbuilding for its corrosion resistance, maintaining structural integrity despite prolonged exposure to saltwater and UV.

Chemical Processing

Ideal for piping and structural components in chemical plants, resisting corrosion from harsh chemicals and maintaining long-term structural integrity.

Construction

Provides reinforcement in concrete structures, offering high flexural strength and resistance to environmental degradation from moisture and chemicals.

Öl & Gas

Used in offshore drilling platforms and pipelines, resistant to both corrosive elements and high mechanical stress in harsh environments.

Tailored Performance for Custom Applications

Pultruded FRP Solid Rods can be customized for specific performance needs. Adjustments in fiber orientation, resin selection, and dimensions allow these rods to meet the unique requirements of different industries, such as high-temperature resistance or enhanced UV stability, ensuring optimal performance in varying conditions.

These rods excel in extreme conditions, including fluctuating temperatures, mechanical stress, and exposure to harsh environments. Their durability ensures long-lasting performance even in outdoor, industrial, and marine applications, outperforming metals that are prone to rust, fatigue, and environmental degradation.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

What are the advantages of using carbon fiber reinforcement in Pultruded FRP Solid Rods compared to glass fiber?

Carbon fiber reinforcement in Pultruded FRP Solid Rods enhances stiffness, tensile strength, and fatigue resistance. It provides superior mechanical properties for high-stress applications, such as aerospace and automotive components, compared to glass fiber, which is more commonly used in standard applications.

How does the resin type in Pultruded FRP Solid Rods affect their thermal stability and high-temperature performance?

The choice of resin, such as epoxy, vinyl ester, or polyester, directly impacts the rod’s thermal stability. Epoxy resins provide better heat resistance, allowing Pultruded FRP Solid Rods to perform in high-temperature environments (up to 180°C), while vinyl ester resins offer superior resistance to chemical degradation at elevated temperatures.

What is the impact of fiber orientation on the mechanical properties of Pultruded FRP Solid Rods?

Fiber orientation significantly influences the mechanical properties of Pultruded FRP Solid Rods. When fibers are aligned along the length of the rod, they provide high tensile strength and stiffness in that direction, ideal for load-bearing applications. Cross-directional or multi-axial fiber configurations can improve the material’s impact resistance and bending strength in varied load conditions.

How does moisture absorption affect the performance of Pultruded FRP Solid Rods in marine applications?

While Pultruded FRP Solid Rods exhibit excellent corrosion resistance, moisture absorption can still occur, potentially affecting their mechanical properties. This is especially critical in marine environments, where prolonged water exposure may lead to slight dimensional changes. The resin matrix plays a key role in minimizing moisture uptake and preserving the structural integrity of the rod.

What role does the pultrusion process play in the uniformity of Pultruded FRP Solid Rods' mechanical properties?

The pultrusion process ensures a high degree of uniformity in Pultruded FRP Solid Rods by continuously pulling reinforcing fibers through a resin bath, followed by curing in a die. This process results in consistent fiber distribution, resin impregnation, and cross-sectional integrity, leading to uniform mechanical properties such as tensile strength, flexural modulus, and resistance to fatigue.