Hollow fibers

Spinnerets for hollow fibers.

Hollow

Spinnerets with hollow holes are used for example in the medical industry for dialyses membranes. This type of product requires very tight tolerances for an accurate precision about the holes diameter, concentricity between the two parts which compose the nozzle unit, etc.

Hollow holes are also used wherever there is a need to produce voluminous, light and insulating filaments as for example for filling the pillows, for filling matrasses, for filling winter jackets, etc.