What is a Fiberglass Sheet?

Fiberglass Sheet (thermosetting glass fiber reinforced plastic) combines glass fiber and thermosetting resin, with a gel-coated surface. As a new environmentally friendly material, it offers greater toughness than steel and aluminum products. It resists cracking, deformation, and heat transfer even under extremely low or high temperatures. As a result, many industries widely use FRP, including dry truck bodies, wall decorative covers, refrigerated truck bodies, RV side panels, and cold storage walls.

FRP Sheet Roll

Advantages

  • Extremely lightweight: The relative density is usually between 1.5 and 2.0, which is only 1/4 to 1/5 of carbon steel.
  • Extremely strong: The tensile strength of glass fiber is close to that of carbon steel.
  • Corrosion resistance: Glass fiber can resist corrosion from a variety of chemical media, including acids, alkalis, salts and most chemicals.
  • Electrical insulation: Glass fiber has good electrical insulation properties and is suitable for use as an insulating material.
  • Thermal insulation: FRP transfers heat slowly, which gives it significant advantages in places that require heat preservation or insulation, such as cold storage, storage tanks, HVAC equipment, etc. FRP has a low thermal conductivity of 1.25~1.67kJ/(m·h·K) at room temperature, which is only 1/100~1/1000 of metal and is an excellent thermal insulation material.
  • Aesthetics: FRP sheets can be made of anti-aging, weather-resistant, and UV-resistant gel-coated resins, with a smooth and beautiful surface and bright color.
  • Easy to process: FRP sheets offer excellent plasticity and processability, allowing you to shape them into various products of different sizes through molding, injection molding, and manual processes.
  • Eco-friendly: FRP sheets do not contain volatile and corrosive substances and are a recyclable product.

Fiberglass Sheet Structure

Gelcoat LayerGelcoat is a protective surface coating that provides a smooth, shiny finish to FRP surfaces, making them more aesthetically pleasing
Fiberglass Reinforcement LayerHigh-quality thermosetting resin + fiberglass felt or fiberglass cloth
Non-woven Fabric LayerThe non-woven fabric serves as a connecting layer, and FRP and other materials can be tightly bonded by spraying glue.
felt based Fiberglass sheet

Felt-based Fiberglass sheet

Resin+Fiberglass mat: Chopped fiber, continuous fiber mat, stitched mat, etc.
Advantages: Smooth surface, lower cost.

cloth based Fiberglass sheet

Cloth-based Fiberglass Sheet

Resin+Fiberglass cloth: Mesh cloth, square cloth, plain cloth, axial cloth, etc.
Advantages: High strength and stable performance.


Fiberglass Sheet Features

  • High mechanical strength and good impact toughness
  • Easy to clean
  • Corrosion-resistant and wear-resistant
  • Resistant to yellowing and aging
  • High-temperature resistance
  • No deformation, low thermal conductivity
  • Excellent insulation properties

Fiberglass Sheet Samples

FRP Panels with Various Surface Treatments Available

We offer gel-coated flat FRP panels in glossy, matte, stone grain, woven, bubble, and faux leather surface patterns. If you need other patterns, please send us samples or detailed files.

glossy fiberglass sheet
bubble fiberglass sheet
stone FRP sheet