Some of the useful Advantages of GRP cable trays

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Benefits, Types, and Industrial applications of
GRP Cable Trays
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• GRP or Glass-fibre Reinforced Polymer or Glass
  Reinforced Plastic is a mixture of augmented or
  polymer substances reinforced with glass fiber.
  The GRP is also termed as
• Glass-Fiber-Reinforced Plastic (GFRP) and Fiber
  Reinforced Plastic (FRP). Now the critical
  question that arises is what is known as a cable
  tray? A cable tray is nothing but a type of
  ladder-pipe system used in companies to carry
  cable and wires safe inside it. The cable trays
  that are constructed of GRP substances are known
  as the GRP cable trays.
• The GRP cable tray system is always designated s
  a GRP cable support system. The cable trays are
  manufactured from aluminum and iron in previous
  times. After establishing GRP material, these
  aluminum and iron trays were substituted by cable
  trays (GRP) due to numerous advantages over them.

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Advantages of GRP Cable Trays

• Good electricity coverage Being the plastic
  constituents, the GRP cable trays does not carry
  electricity from the inner wires to the outside
  wall. It prevents any action of shock or
  electrical accident from happening. And in the
  case of aluminum and iron trays, the condition is
  not the same.
• Robust strength
• The sGRP cables possess a robust body strength
  and can withstand a considerably high force on
  them.
• U.V. resistant capacity
• The GRP trays have a high resistive capacity to
  U.V. ultraviolet rays. No doubt they find
  application in laboratories or industries where
  U.V is being used.

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• Anti-erosive
• The GRP trays are non-erosive and irrespective of
  their environment. At the same time, both the
  aluminum and iron cable trays are erosive. The
  aluminum trays form white, greyish patina or
  film, and iron trays form a rusty layer due to
  erosion with humidity and gases around them
• No need for earthing
• Since the GRP trays are typically a kind of
  plastic substance, they do not channel any
  electricity, which means they do not require
  earthing. In contrast, aluminum and iron cable
  trays need earthing due to their high electrical
  conductivity.

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• Lesser thermal conductivity
• When compared to the aluminum and iron cable
  trays, GRP also possesses low thermal
  conductivity. It makes them fire retardant and
  minimizes any fire incidents' chances, making
  them more reliable.
• Non-toxic
• GRP cable trays are non-toxic, and there is zero
  chance that they will give rise to any harmful
  situation
• Safe and easy to install
• The GRP trays are so effortless and light in
  weight that they are easy to handle and install.
  The main reason why the installation is made more
  manageable is that the GRP trays already have
  holes, making them considerably more manageable.

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Types of GRP Cable Trays

• GRP cable trays can come in various forms and
  sizes. Each shape of cable trays have their
  benefits and choosing particular shape defines
  some specific reason. Some may work precisely
  with certain types of cables, while some may work
  well in particular environments.
• Ventilated trough tray
• When compared to the closed trays, it gives
  comparatively more access. At the bottom, it is
  open through which the cables can be taken out or
  inserted. The opening part endures for water to
  drain and air circulation. And at the top, the
  trays are closed because the dust is falling
  inside or closure stops objects.
• Wire mesh cable trays
• In GRP cable trays, the wire mesh cable trays
  provide one of the excellent open structures. The
  trays are structured like wire mesh which endures
  the maximum airflow from all directions. It helps
  in keeping the cable in perfect condition. It is
  an ultimate choice for cables that are prone to
  overheating. Wire mesh cable trays are used in
  low voltage fiber-optic applications and
  telecommunication cable networks.

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• Solid bottom tray
• These kinds of trays possess a solid bottom. The
  tray entirely encloses the cables in all
  directions. So undoubtedly, it is an ideal choice
  for protecting the cables from erosions or
  terrible weather conditions. It includes wind,
  rain, or intense sun. Environments like marine
  structures or chemical factories are also highly
  erosive. The closed bottom will shield the cables
  from harsh weather conditions, chemicals,
  saltwater, or other erosions.
• Ladder cable trays
• This cable is in the form of a ladder-like
  structure. It has crossbars placed at regular
  intervals, usually at a distance of nine inches
  from each other. The crossbars are build to
  support the cable. The ladder's rungs offer an
  anchor for the cables. The ladder structure
  defines that the tray as a conveniently open
  structure. It endures for the maximum possible
  air circulation. It makes it ideal for cables
  that are disposed to overheating.
• Therefore, the open also defines that the cables
  inside are exhibit to weather conditions. To
  reduce the effects of any erosion, some of the
  GRP ladder cable trays come with one difference.
  Some of the cables come with a cover, and it can
  be taken off, offering us easy access but
  covering the cable simultaneously. The cover
  could be on both sides or one of the sides.

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• Single rail cable tray
• The single rail cable tray is the same as the
  ladder tray, excluding that the vertical bar
  moves through the center of the rungs. The bar
  offers an anchor to the cables, while the
  steadily placed horizontal trays provide an open
  structure. This kind of cable trays is ideal for
  the one who is excessively disposed to overheat
  or in a situation where we seek quick access to
  the cables. It is obvious merit is that the open
  structure trays also make the cable susceptible
  to environmental erosion.
• Trough cable tray
• This kind of cable tray is preferred for usage
  when there are multiple cables. The trough cable
  trays offer a deep basin for the cables where
  more than the typical cables can be clumped
  together. This assembling works excellently with
  cables that are not disposed to heat.

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Conclusion

• The above-discussed information about the GRP
  cable trays would help the industries make an
  ideal choice based on their requirements. It
  exclusively offers many advantages and types. The
  cable trays are made up of both aluminum and
  iron. Also, in the chemical industry, these cable
  trays (GRP) are highly resistive to acids.

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