Fiber-reinforced plastic (FRP) is a revolutionary material used in many distinct industries. In addition to being light in weight and highly elastic, FRP composites have a number of advantages including high strength and durability. This characteristic makes it widely used to make manhole covers. There are several advantages to FRP manhole covers compared to cast iron manhole covers, including:
Strength and Durability is Better
Manhole covers with FRP material are produced using high-quality materials so they are impact-resistant and have excellent durability. Apart from having good resistance to heat and cold, it can also withstand heavy loads without any damage.
Corrosion Resistant
Manhole covers are made from various materials such as iron, steel, composite, and plastic. Fiber-reinforced plastic is a type of composite that is widely used in making manhole covers today. This material does not rust so of course the FRP drainage cover is protected from corrosion.
Provides Various Colors and Appearances
FRP drainage covers are available in several colors, making them more beautiful. These colors can be adjusted to customer choice, so customers can freely choose colors that match the theme or design of the manhole cover.
Has Low Thermal Conductivity
FRP drainage covers are made from materials that have low thermal conductivity. FRP is a material that does not allow heat transfer well. This means that the lower the thermal conductivity, the better the material’s performance as an insulator (retaining heat) and as a barrier to heat flow.
Maintenance Free
Manhole covers made from FRP are maintenance-free because cleaning, painting, or other types of maintenance are not required. Even when wet, FRP is not slippery, so people can walk safely. It is effortless to care for, you only need to clean it occasionally with a brush.
Fire, Rot, and Pest Resistant
FRP is a composite material reinforced with fiberglass so it is very resistant to freezing, fire, and pests.
Currently, composite manhole covers are widely available in the market with various specifications and different options. The type of composite most commonly used for manhole covers is FRP because it is light in weight and does not require maintenance. So, do you like FRP or cast iron as your material for the Manhole cover?
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