Pultruded Rectangular Box

Pultruded rectangular boxes are structural components made from composite materials through the pultrusion process. This method involves continuously pulling fibers through a resin bath and then through a heated die, resulting in strong, lightweight profiles with consistent cross-sections.

Related solutions: Explore our pultruded FRP profiles, FRP rebar, pultrusion machines and pultrusion dies.

Key Features

Material Composition

• Materials: Pultruded rectangular boxes can be made from various materials, including fiberglass, carbon fiber, and other composites. Fiberglass Reinforced Plastic (FRP) is particularly popular due to its good strength-to-weight ratio and corrosion resistance.

Strength and Durability

• High Tensile Strength: These boxes offer high tensile strength and resistance to environmental degradation, making them suitable for a wide range of applications. They can offer advantages over traditional materials like steel and aluminum in terms of weight and corrosion resistance for specific applications.

Applications

Pultruded rectangular boxes are used across various industries, including construction, aerospace, automotive, and marine. Common applications include structural supports, walkways, bridges, and components in electrical and chemical environments where high corrosion resistance is crucial.

Advantages of Pultruded Rectangular Boxes

Lightweight

• Ease of Handling: Pultruded composites are lighter than many metals, making them easier to handle and install.

Corrosion Resistance

• Durability: Unlike steel, pultruded composites do not rust, making them ideal for use in harsh environments.

Low Maintenance

• Low Maintenance: These materials typically require less painting and protective maintenance than steel, which can reduce long-term upkeep costs.

Non-Conductive

• Electrical Applications: Being non-conductive, pultruded rectangular boxes are suitable for electrical applications.

Versatility

• Customizable: The pultrusion process allows for the production of products in various shapes and sizes, meeting specific design requirements.

Cost-Effective

• Long-Term Savings: Due to their durability and low maintenance needs, pultruded boxes can reduce lifecycle costs in suitable applications compared to traditional materials.

Rectangle Size

Item		W	H	T	Weight	Stock Available
		mm	mm	mm	kg/m
Square (Rectangle) Box		30	30	2	0.44
		40	20	3	0.63	yes
		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	yes
		51	51	3.2	1.18
		51	51	5.5	1.93
		51	51	6.35	2.18	yes
		51	51	6.85	2.33
		58	25	3	0.89
		60	60	4.25	1.82
		60	60	5	2.12
		69	28	2.5/3	0.93
		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

FAQ

What is a rectangular box profile?

A rectangular box profile is a hollow structural section with a rectangular cross section. It is commonly used in lightweight, corrosion-resistant composite structures.

What is it used for?

It is used for framing, supports, handrails, platforms, ladders, gates, bridge members, and other structural or architectural applications.

How does it compare with steel box sections?

It is much lighter than steel, will not rust, and usually requires less maintenance. It is a practical option where corrosion resistance and weight reduction are important.

Is it suitable for outdoor environments?

Yes. It performs well outdoors because it resists moisture, UV exposure, and many corrosive conditions.

Can it be used in marine or chemical areas?

Yes. Rectangular box profiles are often used in marine, wastewater, and chemical environments where metal sections may corrode quickly.

Can it be cut or drilled?

Yes. It can usually be cut, drilled, and fabricated with tools suitable for composite materials.

Does it require painting or rust protection?

No. It does not rust, so it normally does not need painting, galvanizing, or anti-corrosion coating.

Can custom dimensions be supplied?

Yes. Custom sizes, wall thicknesses, and fabrication options are often available depending on the project.