Marine rubber fender (rubber fender), also known as rubber fender, is installed on the dock or ship to absorb the collision energy between the ship and the dock or ship during docking or mooring, to protect the ship and the dock from damage.

(A) Marine rubber fender classification

Usually Marine rubber fender can be divided into two categories according to the structure: solid Marine rubber fender (non-floating type) and floating Marine rubber fender.

Solid Marine rubber fender (non-floating type) is a kind of anti-collision equipment for wharf ships with a long history and wide application. According to the force of Marine rubber fender, it can be divided into shear type, rotation type and compression type. According to the structure of the fender, solid Marine rubber fender can be divided into D type, cone type, drum type, fan type, rectangular, cylindrical fender and so on.

Floating type Marine rubber fender can float freely on the surface of the water, according to its internal buffer medium can be divided into: inflatable type Marine rubber fender, filled type Marine rubber fender.

1. Inflatable Marine rubber fender is based on compressed air as the medium, and the collision energy is consumed by compressed air doing work;

2. Foam-filled fender is also known as solid polyurethane fender. The internal buffer medium is mainly closed-cell foam materials, such as foam EVA, foam polyurethane and foam rubber.

(2) Characteristics and applications of Marine rubber fender

Solid Marine rubber fender has high energy absorption and reaction, and has the advantages of low cost, long service life, simple installation and maintenance, etc. It is a more installed protective device in docks and shipyards.

Ship fender

Floating type Marine rubber fender is a new type of fender equipment. Compared with solid Marine rubber fender, its main characteristics are: large compression deformation, large energy absorption, small reaction force, self-floating, easy installation and so on. Usually used in ship to ship, ship to wharf (ship to ship) cargo, docking and other occasions; Due to its self-floating characteristics, it is also particularly suitable for installation in wharves with large changes in tide level. Among them, the filled Marine rubber fender is especially suitable for applications in harsh environments, such as offshore drilling platforms, because of its maintenance-free and long life.

(3) Marine rubber fender standard

At present, the industry standard used for solid Marine rubber fender is HG/T 2866-2003 Marine rubber fender.

The domestic industry standard for inflatable Marine rubber fenders is "CB-T 3948 inflatable Marine rubber ball" and the international ISO standard ISO17357:2002 "High pressure Floating pneumatic rubber fenders". Filled floating Marine rubber fender is a new product in recent years, there is no international standard and industry standard.

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