Pros and Cons of Glass Reinforced Plastic (GRP)



Glass reinforced plastic is a fiber reinforced polymer or composite material that is made from plastic that has been reinforced with fine fibers made from glass.Similar to carbon fiber reinforced plastic, this composite material is often referred to using the name derived from its reinforcing fibers—fiberglass.

Advantages of Glass Reinforced Plastics

1 Non-Conductive Properties.

One of the main reasons for using GRP is the fact that it does not conduct electricity. This is a key benefit in order to provide a safe working environment especially when working in environments where there are electrical risks such as around railways.

2 Resistant to Corrosion
A key reason for using GRP is their corrosion resistance. In most cases, you will find that glass reinforced plastic is the only material that can properly handle a particular service environment, while in other cases, their resistance to corrosion gets combined with its costing making GRP a solution that is economically viable.
3 Weight Advantages
Another very distinct advantage of glass-reinforced plastic is found in its low weight to potency ratio. As a rule, for a similar strength, GRP will weigh half the weight of aluminum and a seventh of steel.
Its lightweight properties are a key selling point, particularly when you consider the simplicity and the cost of installation, especially when it comes to tanks and pipes.
GRP’s inherent light weight is advantageous when it comes to mounting equipment on existing structures.
4. High Strength
High strength plays a vital role when it comes to designing man load bearing structures and GRP fulfills this need. The high strength properties of GRP allow for less material to be used than other more traditional structural materials thus lowering cost and weight.
5. Economy
One of the major advantages of glass reinforced plastic is the fact that it is very affordable. When compared to other corrosion resistant materials such as titanium and stainless steel GRP will often provide a more economic solution allowing construction companies to complete jobs on budget
Therefore glass reinforced plastic will act as a satisfactory solution to the corrosion problems and come at a very affordable cost.
Disadvantages of Glass Reinforced Plastics
Composite materials tend to be more brittle when compared to wrought metals, and thus are very easily damaged. Cast metals are also very brittle.
When repairing glass-reinforced plastics, you introduce new problems to the equation. Such as
• The materials often require a transport vehicle that is refrigerated and will often have a very limited shelf life.
• In many cases, hot curing is required, and thus requires the use of specialized equipment
Another disadvantage arises when rivets have been used, and will need to be removed. Removal presents a new set of challenges, as the rivets must be removed without causing any further damage to the glass-reinforced plastics.



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