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The Economics of Using FRP in Industrial Applications

Written by Tencom Ltd. | 11/13/24 4:57 PM

Fiberglass-reinforced plastic (FRP) is a composite material made up of glass fibers embedded in a plastic resin matrix. FRP offers high strength-to-weight ratios, corrosion resistance, durability, and design flexibility, making it an increasingly popular choice of material across various industries. The use of FRP in industrial applications has been steadily growing in recent years due to its many economic advantages over traditional materials such as metals and wood. This trend is driven by FRP's unique properties, which enable cost savings in areas such as transportation, installation, maintenance, and operational efficiency throughout the product's lifetime.

This article will analyze the properties of FRP that enable considerable cost reductions and productivity gains in industrial settings.

Properties of FRP and their Economic Impact

Fiberglass-reinforced plastic has several inherent properties that translate into considerable economic savings in industrial settings. The lightweight structure, corrosion resistance, high strength, durability, and customizability of FRP deliver multifaceted cost reductions.

The lightweight nature of FRP is a major contributor to lower transportation, installation, and operational costs compared to traditional heavy materials such as steel or concrete. Pound for pound, FRP offers strength levels comparable to steel but less weight, while far exceeding wood in strength with slightly more weight.

This lightweight nature directly cuts freight and labor costs during shipping, handling, and assembly. For example, switching to FRP components in chemical plants could reduce weight compared to stainless steel equivalents, saving tens of thousands in transport alone for multiple large tanks.

Additionally, FRP carries almost no risk of corrosion due to its polymer resin coating, which protects the glass fibers. This eliminates the need for costly corrosion-mitigating measures such as special coatings or alloys. FRP tanks, pipes, and vessels last over twice as long as steel or aluminum, paying off the initial investment in the long run through dramatically lower replacement costs and less downtime. The average service lifetimes for FRP versus steel underscore the positive lifecycle cost analysis and return on investment case for FRP in environments that cause metal corrosion.

The high strength-to-weight ratios achievable with FRP also deliver major material efficiency gains and greater flexibility than traditional materials. For instance, designing automotive parts with FRP cuts weight while maintaining strength, directly improving fuel efficiency and performance. The moldability of FRP also enables custom manufacturing of complex or unusual designs that are unsuitable for metals at a reasonable price point.

FRP's lightweight, corrosion-resistant, high-strength, and customizable fabrication attributes translate into very favorable economics, from raw material logistics through operating expenses and maintenance.

Cost Analysis of FRP in Industrial Applications

While the initial material cost of FRP per pound is typically higher than that of traditional metals or wood, FRP pays dividends over the full life cycle of industrial components. Efficient manufacturing techniques, coupled with vastly extended service lifetimes compared to other materials, establish a compelling financial case for FRP adoption.

Upfront material expenses for FRP can exceed those of incumbent options such as carbon steel or fiberglass on a per-unit basis. However, efficient and scalable production methods such as pultrusion and filament winding enable competitive fabricated part costs at high volumes. The potential to automate much of FRP manufacturing also reduces associated labor expenses.

Furthermore, the lightweight and durable nature of FRP substantially cuts ancillary supply chain costs like shipping, handling, and installation. Constructing structural platforms, ladders, and flooring from FRP instead of steel drops installation costs by 40% or more due to easier transportation and assembly. FRP's corrosion immunity saves tremendously on maintenance over decades of use compared to metal components.

When analyzing the total cost of ownership, FRP consistently offers the most cost-efficient solution across the full service life of tanks, pipes, ducting, structural members, or body panels. While initial procurement budgets may point to cheaper alternatives, life-cycle cost analysis shows that significantly lower maintenance needs, longer replacement cycles, and better performance quickly offset FRP’s upfront cost premium in an industrial setting. The break-even point at which FRP achieves a higher total value than other materials occurs well within realistic product lifetimes.

Factoring in long-term cost savings from maintenance, operations, and replacement reveals FRP as the most economical material choice over the total lifespan of industrial components, despite its higher initial price.

Applications of FRP Across Industries

Fiberglass-reinforced plastic delivers cost advantages across a diverse set of industrial applications, ranging from large-scale infrastructure to specialized processing equipment and vehicle manufacturing.

In civil construction and infrastructure projects, FRP enables substantial upfront cost savings in structural applications like bridges, buildings, and drainage pipes. FRP pultruded profiles compete favorably on bid costs with steel or concrete alternatives, allowing contractors to submit lower bids while still delivering excellent performance. The lightweight and corrosion-resistant nature of FRP materials also reduces lifecycle costs relative to the regular maintenance needs of traditional building materials.

Chemical processing industries heavily rely on FRP tanks, pipes, and scrubbers for their exceptional corrosion resistance compared to metal equivalents. Maintenance expenses over decades of operation are slashed dramatically through FRP’s immunity to rust or chemical attack. The smooth, nonporous interior surface also improves flow efficiency and prevents contamination.

Similarly, water and wastewater treatment installations utilize large FRP clarifiers, storage basins, and filters to gain corrosion resistance and water impermeability, combined with long functional lifespans. The non-conductive and nonporous attributes also provide electrical and bacterial safety.

In oil and gas drilling, FRP withstands punishing conditions, including exposure to hydrocarbons, acids, salts, and temperature extremes. It prevents corrosion-related failures in pipes and tanks over decades of oil field operations, with minimal maintenance requirements. FRP drilling platforms and walkways also offer significantly lower lifecycle costs than metal designs.

Automotive and aerospace manufacturers take advantage of FRP’s high strength-to-weight ratio to improve fuel efficiency by replacing metal components with lightweight body panels and structural members. The moldability of FRP also allows for optimized aerodynamic shaping.

FRP satisfies the cost-savings and performance demands of a wide range of industrial applications thanks to a versatile combination of high mechanical performance, corrosion resistance, low maintenance requirements, and lightweight strength.