Generally speaking, polyester staple fibers spun from chips have basically no defects. The thickness of polyester fibers is uniform, the surface is smooth, and the hand feels relatively smooth (but depending on where to use the short fibers, there is a difference between silicon and no silicon). If you pull it by hand, the general strength of chip spinning is better, the batch number is large, there is no color difference, and the physical indicators are uniform.
Generally, short fibers produced from small chemical fibers, or short fibers produced from recycled raw materials, have a small batch number, and the same algebraic feel is not as good as large chemical fibers (except for processed ones). There are many defects, occasional uneven thickness, and super-long length. The physical indicators of conventional recycled materials are slightly worse.
According to performance, it can be divided into: coloring, flame retardant, antistatic, moisture absorption, anti-pilling, antibacterial, whitening, low melting point, thickening (high viscosity) polyester chips, etc.; fiber grade polyester chips, bottle grade polyester chips , Film grade polyester chips (mainly because of different process indicators). Fiber-grade polyester chips can be divided into different types of matting agent tio2: super-gloss (great gloss), gloss, semi-dull, and (full) dull polyester chips. There are also cationic polyester chips.
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