>nylon
hurr durr
it really depends on who its made from...nano graphite titanium magnesium those are some of the things that badminton rackets are made from
From what I've there no such thing as tennis rackets with middle strings made out of coal! I just think people are saying that because they've heard from someone!
BATMITON raquet is made up of carbon fiberand lighter metals
Carlton badminton rackets are made by Carlton them self's but at the moment their web page is not up and running so you can not see any of them. but if you want to bye a good badminton racket then look for Yonix, Carlton or head.
On some harps, the highest strings are made of nylon.
Badminton is a very fast sport, and as such the rackets used are a lot lighter than in other sports such as tennis and squash.They generally consist of a handle, a shaft and a head. The whole length of the racket can be no greater than 68cm, and the width no greater than 23cm.The head of the racket is made up of a frame and the strings, which are usually made from nylon (though can actually be made from sheep or cow gut).
Most classical guitar strings are made from a sort of nylon material. Some expensive types of 6 or 12 string guitars used for Mexican music use steel strings.
There are two different types of shuttle. You can get plastic or feather. Both are made with a cork head. The flight is either made up from plastic or goose feathers, depending on the type of shuttle.
Wood, metal, and nylon strings
Harp strings may be made of various materials, including; nylon, gut, wire or silk.
Classical guitar strings are mainly made out of nylon. Different thickness of the strings allows for differences in tension. Today, string makers are also experimenting with a mixture of carbon and nylon which allows for thinner strings and adds more clarity to the tone. Carbon strings tend to be brighter in tone than the pure nylon strings. Bass strings (lower three strings in a set) have the same nylon core, but they are additionally wrapped with a silver-plated coper wire. Electric guitar strings use the similar process, but with steel instead of nylon. There is a great video on Discovery/Science channel website ("How it's made") that shows the entire process of making steel strings for guitar.
wood, metal, *nylon, steel, plastic *for strings