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Dock fenders can be classified according to their structure and materials. Common classifications include the following:
Rubber fenders: Rubber fenders are the most common and widely used type. It is usually made of rubber, has good elasticity and wear resistance, and can absorb the impact from ships and docks. Rubber fenders can be divided into round rubber fenders, D-type rubber fenders, W-type rubber fenders, etc.
Foam fenders: Typically made from foam materials such as polyethylene, foam fenders are lightweight, energy-absorbing and buoyant. It reduces the impact of a crash and floats in the water, providing extra buoyancy. Foam fenders mainly include cylindrical foam fenders and square foam fenders.
Marine fenders: Marine fenders are a common type of fender. They are made of inflated rubber material and can adjust their shape and hardness by inflating and deflating. Marine prop balls are lightweight, easy to install and maintain, and can provide good impact absorption and protection. They are often used in situations where frequent adjustments and moves of fenders are required, such as temporary docks, ship maintenance docks, etc. Marine berthing balls can meet the needs of different waters and ships according to their different designs and shapes.
Wooden fenders: Wooden fenders are the traditional type and are made of wood. Although used less frequently, they are still used in some specific situations, such as to protect historic docks and harbors. Wooden fenders are usually composed of wooden piles, wooden boards, etc.
The above classifications are only the common ones. In fact, there are other types of fenders, such as polymer fenders, composite fenders, etc., which are designed according to different needs and environments.