Fiberglass Sheet

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.

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

Felt-based Fiberglass sheet

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

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.