Our filaments, which can be offered in straight or tube versions and in spool format, can be customized according to the customer's needs.

Straight filament

High-quality customized filaments in different thicknesses, colors, and cuts.

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Spool filament

Customized filaments in spool format for processing and use in the personal care, hygiene, medical, cleaning, industrial sectors, and more.

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Thanks to its expertise in the elaboration and transformation of PBT and PET based filaments, Natu’s products cover a wide range of industries and uses, covering from personal care and hygiene with products such as dental floss, interdental brushes, hairbrushes or body cleaning brushes, to medical products such as instrumentation for gastroscopic tests or medical sampling brushes, as well as the beauty industry and all kinds of accessories and makeup products such as makeup brushes, eyebrow brushes, eyeliners, mascara brushes, etc., as well as DIY products, including all types of brushes and utensils.



PBT | PET | PP | PA.


0.05mm-0.5mm (0.5mm+ also available upon request)


Solid filament | Tapered Filament | Hollow Filament

Cross-Section Shape

Round | Triangle | Star | Cross | (other shapes upon request)



Our Filaments Characteristics.

High Strength

Excellent Bending Strength

Excellent Tensile Strength

Excellent Elasticity

Excellent Softness

Content Uniformity

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