Dock
fender can
be defined as a bumper that is used to absorb the kinetic
energy of a boat or vessel berthing against a jetty, quay wall or other vessel.
Dock fenders are used on all types of vessels from cargo ships to cruise ships,
ferries and personal yachts, prevent damage to vessels and berthing structures.

The
polymers
that
are used mainly
for dock fenders include: EPDM, SBR, Neoprene, Natural rubber,
TPE, and Butyl rubber.

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Types:

There
are several types of fenders depending on shape, function and application. Some
of
the key ones are listed below:

•Cylindrical
Fenders:
They are the most commonly used fenders that can be used for different kinds of
vessels. They are simple and easy to install.

•Arch
Fenders:
They
simple and
rugged marine fender systems, providing reliable and trouble free service for a
wide variety of berths even under the most severe conditions

•Cell
Fenders: They
are best
employed for large size vessels, where higher energy & lower reaction is an
important criteria.
These fenders show high performance and strength.

•Cone
Fenders:
These fenders are the latest version of cell fenders which provide optimal
performance and efficiency. They can be used for all types of applications such
as high tidal variation sites.

•Extruded
Fenders: They
are usually attached with bolts to the structure. They
are used in jetties and wharves for small craft,
tugs and
workboats,
pontoon protection, inland waterways and general purpose fendering.

•Pneumatic
Fenders:
They are
mainly used for permanent and semi-permanent port applications and for offshore
ship-to-ship transfers. These fenders have low
reaction force at low deflection. They are used for liquid
cargo
vessels and defense vessels

•Foam
Fenders:
These fenders have superior wear and tear resistance and have the ability to
absorb impact in aggressive environments. They usually contain a closed cell
polyethylene foam core in the center and has a outer layer of polyurethane.

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