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FiberFlex 40D Filament - 1.75 mm - 0.85 kg - Old-type spool

LAST UNITS! Filament wound on an old-type spool. Spool dimensions: 200 mm x 84 mm. The spool is not compatible with BambuLab AMS. It can be used with BambuLab AMS Lite.

FiberFlex 40D is a flexible TPU filament with a Shore hardness of 40D, allowing for fast 3D printing (up to 45 mm/s) without loss of quality. It is easy to feed and offers excellent layer adhesion. The material provides high resistance to impact, low temperatures, abrasion, and chemicals. Perfect for both hobby and professional applications, available in a wide range of colors.

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Individual variants may differ in price

Select Burgundy Navy Blue
The presented colors are for reference only and may differ from the actual filament color depending on screen settings.
with VAT without VAT
€28.78
incl. 23% VAT
€33.86 / kg
Regular price: €47.97
The lowest price during 30 days prior to the reduction: €26.37
The promotion runs until 31 December 2026

Shipping costs are not included in the price.

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Product description

LAST UNITS! Filament wound on an old-type spool. Spool dimensions: 200 mm x 84 mm. The spool is not compatible with BambuLab AMS. It can be used with BambuLab AMS Lite.

FiberFlex 40D is a flexible TPU filament with a Shore hardness of 40D that enables fast and precise 3D printing at speeds up to 45 mm/s without compromising print quality. This material was designed to make printing flexible models simple and convenient – the filament feeds smoothly and layers bond perfectly, ensuring strength and an aesthetically pleasing finish.

FiberFlex 40D stands out with its high resistance to impact, abrasion, low temperatures, and chemicals, making it suitable for a wide range of applications – from hobby projects to professional models requiring flexibility and durability.

The filament is available in a wide range of colors, allowing you to match it to any project.

For users looking for other flexible filaments, Fiberlogy also offers FiberFlex 30D – a softer TPU variant, and Fiberlogy MattFlex 40D – a matte flexible filament of similar hardness, ideal for achieving non-glossy surfaces.

 

WARNING
FiberFlex 40D may release a small amount of powder during printing, which is a natural characteristic of this material and does not constitute a defect. This does not affect the quality of the filament or the printing process itself. If a larger amount of powder is observed, periodic cleaning of the printer components is recommended, as accumulation over time may interfere with proper filament feeding to the extruder.

Recommendations and tips

Print settings

  • Printing temperature 200-220°C
  • Bed temperature 70°C
  • Build surface Smooth PEI + masking tape or adhesive; Textured PEI + adhesive; Glass + masking tape or adhesive
  • Drying conditions 60°C / 4h
  • Enclosure not required
  • Cooling fan 50-75%
  • Maximum recommended print speed < 45 mm/s

Properties

  • Density 1.16 g/cm³
  • Tensile Strength @ Break 28 MPa (ASTM D638)
  • Elongation @ Break 700% (ASTM D638)
  • Flexular Modulus 67 MPa (ISO 178)
  • Heat Distortion Temperature @ 0.45 MPa 70°C (ASTM D648)

RAL/Pantone

To make it easier to choose the right color variant, we provide RAL and Pantone equivalents for filaments wherever possible. The given values are approximate and are intended to reflect the actual filament shade as closely as possible.

Why not HEX?

Providing the color of 3D printing filament in HEX format does not make sense because this notation was created to describe colors displayed on screens (RGB – monitors, TVs, mobile devices). HEX defines a mix of red, green and blue light, meaning a digital color. With filaments, however, we deal with a physical material. The same filament may look different in various photos and HEX cannot accurately represent the actual appearance of the material.

Much better references are color systems used in printing and industry, such as RAL or Pantone, which are based on real samples and allow for comparison of colors in physical reality.

Downloads

File icon FIBERLOGY_FIBERFLEX40D_TDS.pdf 521.40 kB

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