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Metal gratings vs fibreglass GRP gratings

METAL GRATINGS VS FIBREGLASS OR GRP GRATINGS: Comparison

EUROGRATE® has chosen to use fibreglass as a material, rather than metal (or similar materials), because it has all the following advantages:

Metal Gratings (or similar)
Economic benefit
but unexpected additional costs

• Safety-related costs:
  due to the poor slip-resistance of metal gratings when water, grease, oil, ice etc. are present.
  Disadvantages: accidents at work, risk of injury to personnel and consequent reduction in company profitability;
• maintenance costs and low chemical resistance of the material:
  rapid corrosion even in conditions of minimal chemical aggression, leading to a need for frequent replacement;
  if the grating if it is bent out of shape it has to be replaced;
• Manpower costs for installation and transport::
  greater physical effort and the use of lifting equipment for the installation and movement of metal gratings due to their weight which is 3 times more than that of fibreglass gratings; this also has a negative impact on transport costs;
  The new legal requirements also make earthing compulsory adds to the installation costs for metal, in addition to manpower costs and transport;
• cost of shaping, cutting and drilling:
  because metal grating tends to be anisotropric it needs edge banding, an operation with a significant impact on the cost, since once it has been edge banded it needs to be galvanised to keep it from rusting.

Fibreglass gratings (or GRP)
Excellent investment that is maintained
for a long time following installation

• Long-lasting corrosion resistance:
  even in harsh conditions (immersion, or continuous contact) with very aggressive products (e.g. sulphuric or hydrochloric acid);
• comparable mechanical resistance to metal:
  its modulus of elasticity means that it can be subjected to significant bending without permanent distortion.
  Its isotropic characteristics mean that it can be installed in both load-bearing directions.
• Significantly increased safety is guaranteed:
  even in extreme conditions (grease, oil, or waxes) ensured by the special permanent anti-slip surface (DIN standard class R13-V10).
• Lightweight, simple to install and remove, easy to move;
• Zero maintenance,, easy to cut and shape:
  fibreglass gratings, in contrast to metal gratings, do not need edge banding;
• characteristics of internal resilience: increased profitability
  they alleviate the back pain often experienced by personnel who spend a long time crossing or standing on gratings (ergonomics) resulting in increased profitability;
• insulating and non-magnetic characteristics:
  excellent thermal and electrical insulation with no need for earthing (antistatic and conductive versions available on request);
• self-extinguishing properties of the resins and low toxicity of halogen-free fumes:
  Maximum safety in all environments and protection of personnel in the event of fire.
• find out about the characteristics of fibreglass gratings!

RESULTS OF THE COMPARISON OF METAL GRATINGS AND GRP GRATINGS:

The purpose of glass reinforced plastic grille

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.

 

Shengfei Product Page

Additional reading:
Why does rubber change color?

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;

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

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If you want to learn more, please visit our website Custom Fire-retardant fiberglass grating Manufacturer.