The use and advantages and disadvantages of FRP grating

The purpose of glass reinforced plastic grille

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Glass fiber reinforced plastic (FRP) grid, also known as glass steel grid plate, is a kind of glass fiber reinforced material, unsaturated polyester resin as the matrix, after special processing composite material with a lot of space, glass steel grid plate has the advantages of light weight, corrosion resistance, easy installation, safe use. It is widely used in urban construction, chemical industry, power industry, paper industry, Marine exploration, sewage treatment and other industries of the working platform, equipment platform, drilling platform, corridor and so on. FRP grille can be used as a structural material for floors, trench covers, platforms, ship decks, stairs, trestles and so on in corrosive environments. With corrosion resistance and flame retardant, no magnetic insulation, color s bright sample, a variety of styles and forms of alternative features. The grille is made of glass fiber crisscrossed, resin pouring and moulded as a whole. The grille plate with many regular rectangular and square Spaces is produced, and has bidirectional homogeneity mechanical characteristics.

 

The advantages of FRP grating

· Corrosion resistance:It has excellent corrosion resistance of acid, alkali, organic solvent and salt and many other gas and liquid media, and has incomparable advantages in the field of corrosion resistance. According to the requirements of the actual use occasions, the use of o-benzene type, m-benzene type, vinyl type resin can be economically selected as the matrix material.

· Light weight and high strength: The density of fiberglass grating is not more than 2, only 1/4 of steel and 2/3 of aluminum. Its strength is 10 times that of rigid PVC, and its absolute strength exceeds the level of aluminum and ordinary steel.

· Aging resistance: Service life of more than 50 years.

· Flame retardant: The flame propagation rate of common flame retardant grille (ASTM E-84) shall not exceed 25; The flame propagation rate of advanced flame retardant vinyl grille does not exceed 10. Oxygen index not less than 28 (GB ).

· Safety:Excellent electrical insulation, no breakdown under 10KV voltage; Non-electromagnetic, can be used in magnetic sensitive equipment; The special structure of FRP grating also has the characteristics of anti-slip, anti-fatigue and so on.

· Easy installation:This kind of product is very simple to install, not only reduces the worker's work intensity, but also does not need to use lifting equipment.

· Comprehensive economic benefit is good:Compared with ordinary carbon steel, FRP grille comprehensive cost is low, although its one-time investment is higher than ordinary carbon steel, because of its long service life, generally can be used for twenty years, and no maintenance, so its comprehensive economic benefit is much better than the use of carbon steel.

The disadvantages of FRP grating

Strictly speaking, there is only one shortcoming, and this shortcoming is also a common problem of all FRP products, that is, there is no value of recycling. Although the performance of the product is almost perfect in all aspects, it is difficult to reuse. After defining the advantages and disadvantages of a product, how to turn the disadvantages into advantages of a product is a key problem. In this paper, we summarize how to turn the disadvantage of the grille plate without recycling value into the advantage in the application. When FRP grille board is used in urban greening, as a tree grate (i.e., tree protection board), the disadvantage of no recovery value can naturally turn into an advantage. Glass fiber reinforced plastic cover plate is also widely used as a car wash grille.

 

Application of FRP grating

· Water treatment: maintenance walkway, drain cover plate, large container, washer, trap, flume, biochemical water treatment pool hanging tool, ventilation window, stairs, cooling tower operating platform pavement;

· Chemical plant: stairs, operating platform, guardrail, double floor, trench cover plate, filter grid;

· Petroleum industry: Offshore oil platforms;

· Textile factory: replace metal grille, wooden platform and cover cement floor, next to dyeing tank, floor, near this valve, etc;

· Power plant: chemical water workshop trench cover plate, waste water pool, etc;

· Metal surface treatment: replacement of wood flooring around the machine, around highly corrosive containers, electroplating line walkways, double floors;

· Marine food processing plant: smooth surface and other harsh environment, ships;

· Transportation: platform, ship deck, walkway, military minesweeper, stair deck;

· Beverage industry: stair floor, replace expensive stainless steel, loaded floor;

· Pulp and processing plants: stairs and floors, floor walkways, high humidity places;

· Electronics industry: trench cover plate, pickling workshop, anti-static (anti-static grid) and high cleanliness workshop;

· Meat processing plant: easy to corrode the ground, stairs, greasy floor work table and stairs;

· Car wash/car beauty shop: car wash drainage board, parking space, car wash trench cover plate;

· Crane :3 meters or 6 meters long crane walkway;

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· Others: corrosion-resistant shelves, decoration, square fountain, scaffolding, civil building facilities, aquaculture fencing and double floors, etc.

 

 

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Key Differences Between Steel Grating and Pultruded Fiberglass Grating

When choosing a grating solution for industrial, commercial, or even residential applications, understanding the distinctions between steel grating and pultruded fiberglass grating is crucial. Each material offers unique benefits and drawbacks, making them suitable for different environments and purposes. Here, we explore the key differences between these two popular types of grating to help you make an informed decision.

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Material Composition and Strength

Steel grating is made from various types of steel, including carbon steel and stainless steel. This composition gives it exceptional strength and durability, making it ideal for heavy-duty applications. Steel grating can withstand significant loads and impacts without bending or breaking. In contrast, pultruded fiberglass grating is made from a combination of resin and fiberglass rovings. This results in a lightweight yet strong material, which offers good resistance to corrosion and chemicals.

Corrosion Resistance

One of the most significant advantages of pultruded grating over steel grating is its superior resistance to corrosion. In environments where exposure to moisture, chemicals, or saltwater is common, steel grating can corrode over time, leading to maintenance issues and potential structural failures. Pultruded grating, however, resists these elements, making it ideal for marine applications, wastewater treatment plants, and chemical processing facilities.

Weight and Ease of Installation

Steel grating is much heavier than its pultruded counterpart. This weight can make transportation and installation more challenging and costly. In contrast, pultruded grating is lightweight, making it easier to handle, transport, and install. This can lead to significant time and cost savings, particularly in large-scale projects.

Maintenance and Longevity

Maintenance requirements for these two types of grating differ significantly. Steel grating requires regular maintenance to prevent rust and corrosion, including painting or galvanizing. On the other hand, pultruded grating requires minimal maintenance due to its inherent resistance to environmental factors. This low-maintenance aspect can result in long-term cost savings and reduced downtime.

Cost Considerations

Initial costs for steel grating are typically lower than those for pultruded grating. However, when considering the total cost of ownership, including installation, maintenance, and potential replacement, pultruded grating can be more cost-effective in the long run. The reduced need for maintenance and the longer lifespan contribute to these savings.

Safety and Comfort

Pultruded grating often provides better slip resistance than steel grating, making it a safer option for environments where slips and falls are a concern. Additionally, pultruded grating does not conduct electricity, adding an extra layer of safety in electrical applications. Steel grating can become slippery when wet and poses a risk of electrical conductivity, which can be hazardous in certain settings.

Environmental Impact

The production process for pultruded grating generally has a lower environmental impact compared to steel grating. The manufacturing of steel involves high energy consumption and significant carbon emissions. In contrast, the production of pultruded grating is less energy-intensive, and its long lifespan reduces the need for frequent replacements, further minimizing environmental impact.

Aesthetic Considerations

While aesthetics may not be the primary concern for industrial applications, they can still play a role in decision-making. Pultruded grating comes in various colors and finishes, allowing for greater customization and design flexibility. Steel grating typically has a more utilitarian appearance, which may not suit all aesthetic preferences.

 

Choosing between steel grating and pultruded grating depends on various factors, including the specific application, environmental conditions, and budget constraints. Steel grating excels in strength and load-bearing capacity, making it suitable for heavy-duty uses. Pultruded grating offers superior corrosion resistance, ease of installation, and long-term cost savings, making it ideal for environments where these attributes are critical. By understanding the key differences between these two types of grating, you can select the most appropriate solution for your needs.

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