FRP Grating
FRP grating (also known as FRP grating, composite grating) is a grid-like plate made of glass fiber as reinforcement material and unsaturated polyester resin as matrix through a special process. It is widely used in chemical, electric power, sewage treatment, shipbuilding, construction and other industries due to its excellent properties such as corrosion resistance, high strength, light weight, anti-slip and flame retardant.
Product specifications and services of FRP grating
1. Common specifications
Grate size: common 1220×3660mm, 1000×4000mm, etc., can be customized.
Grate thickness: 25mm, 30mm, 38mm, 50mm, etc., optional for different load-bearing requirements.
Grid size: 19×19mm, 38×38mm, 50×50mm, etc., affecting drainage and anti-slip performance.
Color selection: yellow, green, gray, red, etc., corporate colors can be customized.
2. Customized service
Provide special-shaped cutting, punching, edging and other processing services.
Support special resin formulas (such as high temperature resistance, flame retardant, UV resistance, etc.).
Provide installation guidance and after-sales maintenance support.
Main Use
- FRP gratings are widely used, mainly including:
- Chemical industry: used for operating platforms, stair treads, fences, etc. in acid and alkaline environments.
- Sewage treatment plants: used as walkways, covers, filter gratings, etc., corrosion-resistant and long-lasting.
- Power industry: suitable for substations, cable trench covers, etc., with excellent insulation performance.
- Shipbuilding: used for decks, gangways, anti-slip walkways, etc., resistant to seawater corrosion.
- Construction industry: used for roof lighting, stair treads, trench covers, etc., light and beautiful.
- Food processing plants: suitable for humid and corrosive environments, in line with hygiene standards.
Application areas of FRP Grating
- Chemical industry: used in corrosive environments such as pickling workshops, electroplating plants, chemical plants, etc.
- Sewage treatment: used as sewage pool cover and walkway grating, corrosion-resistant and easy to clean.
- Oil platform: offshore drilling platform walkways, non-slip pedals, resistant to salt spray corrosion.
- Food processing: suitable for humid, easy-to-clean environments, FDA compliant.
- Transportation facilities: non-slip walkways in subway stations, airports, docks, etc.
- Power industry: substation insulation grilles, cable trench covers, etc.
The production of FRP grating mainly adopts the following processes:
Molding: After mixing glass fiber and resin, put them into the mold for high temperature and high pressure curing and molding, which is suitable for standard specification gratings.
Pultrusion molding: Produce grating profiles through pultrusion process, and then assemble them into grating plates, which are suitable for high-strength demand scenarios.
Hand lay-up molding: Suitable for customized special-shaped gratings, which are cured and molded after manual laying.
Vacuum infusion: The resin evenly penetrates the fiber under vacuum environment to improve the density and strength of the product.
High Strength
The specific strength of FRP is higher than that of steel, and the hoop tensile strength can reach more than 300MPa.
Corrosion Resistance
It can resist corrosion from chemical media such as acids, alkalis, salts, and organic solvents, and its service life is more than 30 years.
Light Weight
The density is only 1/4 of that of steel pipes, which is convenient for transportation and installation.
Low Friction Coefficient
The inner wall is smooth (roughness coefficient 0.0084), the hydraulic performance is excellent, and the conveying efficiency is high.
Good thermal insulation
Low thermal conductivity (0.25W/m·K), reducing heat energy loss.
Anti-aging&Electrical insulation
Anti-ultraviolet agent is added, suitable for outdoor and harsh environments. Non-conductive, suitable for power, communication and other fields.
OUR PROJECT
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How to choose the right FRP grating?
Choose thickness according to load-bearing requirements: light load (25mm), medium load (38mm), heavy load (50mm).
Consider the corrosive environment: choose a resin type that is resistant to acid, alkali and salt spray.
Anti-slip requirements: choose a sand surface or patterned surface treatment.
Color and aesthetics: choose the right color according to the use environment.
FRP grating has become an ideal substitute for traditional metal gratings due to its excellent corrosion resistance, high strength, light weight and long life. As a professional FRP grating manufacturer, we provide a variety of specifications and customized services, suitable for chemical, electric power, shipbuilding, construction and other fields. If you need to know more about the price, model and installation method of FRP grating, please consult!