It is made of polyester (ie, polyethylene terephthalate, abbreviated as PET, polymerized by PTA and MEG) and then spun into tow and cut fiber. PET is in the form of rice grains or flakes, with various varieties and colors (usually the main component of the beverage bottles we contact a lot of is polyester, which is sliced, generally through the two main processes of pre-spinning and post-spinning, to produce polyester short According to different needs, it can be cut into different specifications of polyester staple fiber in post-spinning, generally 4D-22D, and can be divided into two-dimensional and three-dimensional according to its crimp. 75% is used for polyester for chemical fiber. According to the requirements of the textile industry, polyester staple fiber and polyester filament are manufactured.
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