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String is an integral part of the badminton racket. The web of strings provides a surface to hit the shuttle. Choosing the accurate string, which suits your style of play and enhance your efficiency, requires to look upon a lot of features like tension, thickness, type of materials and many more.

Tension of String
Tension of strings play an important part in badminton. String tension is able to affect power, control and feel of each badminton player.

• Low tension string generate more power (when string movement does not occur).
• High tension string provide more control.
• More the elasticity of the string, more the loss of tension in the racquet after the string job.

Materials
On the basis of materials used, badminton string is usually of two types:

• Natural guts material- This type of string provide control, power, and feel to your game. It produces less vibration. But it is expensive and less durable.
• Synthetic material- Long lasting and cheaper.

How to prevent snapping of string :

The elasticity of each string is limited. If it is stretched beyond that limit then string tends to snap (if a powerful shot /smash landed outside the sweetspot). Don't stretch the string in an unlimited way. Another common factor that causes string damage is the grommet. You should check the grommets for damage after removing the strings. High-tension rackets are more prone towards a higher grommet breakage rate. Graphite frame racket tends to have less grommet problem than alloy frame racket.

Important Fact: Thinner and more elastic string generates more power. Softer strings, or strings with a softer coating, tend to vibrate less.

Constituents of a String
A badminton string consists of three basic constituent layers- a core, a jacket, and an outer coating.

Center Core
Core is the central load bearing portion of the string. It provides strength and determines the string's "response" characteristics:

• How much it will stretch when strung in the racquet.
• During hitting the ball how much more it will stretch.
• How quickly it rebounds.

There are basically two types of core:

• Monofilament Core: It consists of a single thick nylon fiber. It may be constructed of a few medium-gauze nylon fibers. These fibers are chemically bonded together so they behave as a single thick filament.
  
  
• Multifilament Core: This type of core is made from several very thin fibers twisted and/or braided together, but they are not chemically bonded. The fibers are free to stretch to some extent with respect to one another. As a result, they are less stiff or more resilient compared to monofilament cores of the same material. They provide sustained string performance with more gripping for better shuttle control.

Outer Jacket
Jacket is also known as the cover or wear layer. It provides texture to the surface of the string, which is even more important than cross-sectional shape for control. In multifilament strings, the jacket holds along the core filaments.

Most monofilament jackets are twisted over the core, while multifilament jackets may also be braided. Twisting provides a smoother surface, which make stringing easier. Braiding the multifilament jacket over the core produces a more textured surface than twisting..

Outer Coating
Monofilament strings are generally coated with a phenolic resin which chemically bonds the core to the monofilament jacket, forming a single unit. It makes a finished product with a smooth surface which, easier to string.

The multifilament design usually has a compatible gluish nylon resin coating. It mechanically bonds all multifilament fibers together, thus providing a smooth finished surface for easy stringing. This type of configuration allows a considerable amount of flexibility. It provides a longer life of the strings, which wear one filament at a time.