Fiber, filament, flies and foil are the final products of a complex process of mixing, dissolving, spinning, washing and drying of raw material. Many specialists believe that the spinning part is the only relevant processing step for the final fiber quality. This belief falls short, as the fiber quality also depends on the dissolving step before the spinning step. Only completely dissolved raw material can create a uniform, homogeneous and bubble-free spinning solution that is further processed using adjusted spinnerets. It is also imperative that both the dissolving and spinning process can be flexibly adjusted to different kinds of cellulose.
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