ZITHA SPECIALTYSPECIALTY FIBER CABLES Technical Inquiry

Corrosion-resistant and flame-retardant fiberglass cable tray material

Fiberglass cable trays made from fire-retardant FRP resins, such as QuaCorr®, offer exceptional corrosion resistance, flame retardancy, and durability for harsh industrial environments.Material Composition and Resin Systems

Fiberglass cable trays are typically manufactured from fiber-reinforced plastic (FRP), combining glass fibers with specialized resin systems. High-performance resins like QuaCorr®, a furfuryl alcohol–based system, provide superior chemical resistance against strong acids, bases, and aggressive solvents, while also offering inherent fire-retardant properties due to their highly cross-linked structure and high char yield . Other FRP resin systems are also available to meet specific project requirements, including temperature tolerance and mechanical strength .

Corrosion Resistance

Unlike metal trays, fiberglass trays do not rust, oxidize, or suffer galvanic corrosion, making them ideal for chemical plants, offshore platforms, water treatment facilities, and other corrosive environments . High-quality trays often use alkali-free glass fibers, which enhance tensile strength, chemical stability, and long-term durability compared to standard fibers . The molding manufacturing process ensures uniform thickness and consistent strength, avoiding weak points common in welded metal trays.

Flame Retardancy and Fire Safety

Modern FRP cable trays are designed with fire-retardant resin systems that limit flame spread and smoke development . The cured resin's structure provides low flame propagation and low smoke emission, improving safety in industrial and public facilities. These trays are suitable for environments where fire safety and electrical integrity are critical, complementing flame-retardant cables that meet standards such as BS EN 60332 and EN 50265 .

Additional Advantages
  • Lightweight yet strong: FRP trays offer a high strength-to-weight ratio, making installation easier and reducing structural load .
  • Non-conductive: Eliminates electrical hazards associated with metal trays .
  • Temperature stability: Certain resins maintain predictable mechanical properties across a wide temperature range (−50°F to 450°F for QuaCorr®), unlike polyester laminates .
  • Customizable configurations: Available in ladder, solid-bottom, and other tray types to suit specific cable management needs .
Applications

These fiberglass cable trays are ideal for offshore oil and gas platforms, chemical processing plants, metal refineries, water treatment facilities, and other harsh or hazardous environments where both corrosion resistance and fire safety are essential . In summary, FRP fiberglass cable trays with fire-retardant resin systems like QuaCorr® provide a durable, corrosion-resistant, and flame-retardant solution for demanding industrial applications, outperforming traditional metal trays in both safety and longevity.

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