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Materials

A selection of the filaments I work with – including their key properties.

Material Advisor

Answer a few short questions – I will suggest a matching material.

Material Advisor
Is the part permanently outdoors or under strong UV exposure (e.g. outdoor housing, vehicle part)?
Does the part need to noticeably give or stretch (e.g. seal, hinge, grip)?
Does the part need to withstand sustained elevated temperatures (e.g. engine bay, electronics housing)?
Does the part need to withstand impacts or continuous mechanical load (e.g. gear, bracket)?
Will the part regularly contact oils, solvents, or chemicals (e.g. workshop environment)?
Answer at least one question to get a recommendation.
ASAOutdoorHeat-resistantImpact-resistant

ASA is an engineering-grade plastic for parts that are permanently exposed to outdoor conditions or high UV load. A formulation optimized for low warping ensures high dimensional accuracy even for larger or more complex parts.

Properties

  • UV- and weather-resistant: Yellows and becomes brittle much more slowly than ABS under continuous sun exposure
  • Low warping: Noticeably reduced warping – important for dimensionally accurate, large-format parts
  • High impact strength: Robust against impacts and everyday mechanical stress
  • Good heat resistance: Higher dimensional stability than PLA or PETG, suitable for warmer environments
  • High-quality surface: Paints and post-processes well
  • Operating temperature window: Continuous use temperature approx. 80–95 °C as printed, can be increased to approx. 100–110 °C through annealing (controlled heat post-treatment)

Typical applications

Outdoor housings, enclosures for outdoor electronics, automotive parts, brackets, and functional prototypes that are permanently exposed to sun, moisture, or temperature fluctuations.

PETG HFImpact-resistant

This PETG variant, optimized for high material flow, combines the proven toughness of PETG with improved flow properties that allow thinner walls and finer detail at high print speeds.

Properties

  • High toughness: More durable and impact-resistant than PLA
  • Moisture-resistant: Robust against water and moisture indoors, but not suitable for permanent outdoor UV exposure
  • Optimized for high throughput: Improved flow properties allow thinner walls and finer structures without sacrificing print speed
  • Matte, smooth surface: Minimal visible layer lines for a high-quality finish

Typical applications

Indoor functional parts and housings, components with occasional water contact, and prototypes or small batches where toughness and dimensional accuracy matter most.

TPU Hard (58D Shore)OutdoorFlexibleHeat-resistantImpact-resistantChemical-resistant

This particularly hard TPU variant with a Shore hardness of 58D is significantly stiffer than classic, soft TPU and suitable for parts that need some give while remaining dimensionally stable and load-bearing.

Properties

  • 58D Shore hardness: Hard-elastic rather than classic soft-rubbery – combines flexibility with structural stability
  • High abrasion resistance: Suitable for parts under continuous friction load
  • Good chemical and oil resistance: Robust against many industrial media
  • High mechanical load capacity: Reliably withstands impacts and continuous stress
  • Weather-resistant: Also suitable for permanent outdoor use
  • Operating temperature window: Usable from approx. -30 °C to 80 °C as printed, can be increased to approx. 130 °C through annealing (controlled heat post-treatment)

Typical applications

Rollers and gears, hose adapters, seals under mechanical load, wear parts, and components in machinery and automotive applications where a combination of flexibility and robustness is required.

TPU Semi-Soft (85A Shore)OutdoorFlexibleHeat-resistantImpact-resistant

This softer TPU variant with a Shore hardness of 85A offers very high elongation and elasticity, suited for parts that need to stretch or give significantly while remaining durable and robust.

Properties

  • 85A Shore hardness: Noticeably softer and more stretchable than harder TPU variants, elongation of up to approx. 550%
  • Very impact- and break-resistant: High elasticity without material failure under impact
  • Exceptionally strong layer adhesion: Very stable, robust layer bonding
  • UV-resistant: Suitable for applications with direct sun exposure
  • High heat deflection resistance: Usable up to approx. 98 °C

Typical applications

Seals, grips and protective sleeves, flexible connecting elements, damping components, and outdoor parts that need to combine high elasticity with UV and heat resistance.

ASA-CF (carbon fiber reinforced)OutdoorHeat-resistantImpact-resistant

A carbon-fiber-reinforced variant of ASA for parts that need high stiffness and dimensional stability under mechanical load in addition to weather and UV resistance.

Properties

  • UV- and weather-resistant: Inherits ASA’s weather resistance, further stabilized by the carbon fiber content
  • High stiffness: Bending modulus of approx. 3265 MPa – noticeably stiffer than standard ASA
  • High tensile and bending strength: Tensile strength approx. 43.5 MPa, bending strength approx. 69 MPa
  • Increased temperature resistance: Heat deflection temperature (HDT) up to approx. 103 °C, well above standard ASA
  • Low warping: Fiber reinforcement further reduces shrinkage, ideal for large-format, precise parts
  • Matte appearance: Hides layer lines, visible fiber texture

Typical applications

Load-bearing outdoor parts, automotive prototypes, housings and brackets with high mechanical requirements, drone frames, and outdoor fixtures.

PPS-CF (carbon fiber reinforced)Heat-resistantImpact-resistantChemical-resistant

A high-performance composite made from carbon-fiber-reinforced PPS for technical parts with extreme requirements on temperature, chemical, and flame resistance.

Properties

  • Extreme temperature resistance: Heat deflection temperature (HDT) up to 264 °C, continuous use above 200 °C possible
  • Outstanding chemical and solvent resistance: Virtually insoluble in common solvents below 200 °C, resistant to acids, bases, and salts
  • Flame-retardant: UL-94 V-0 rated – suitable for safety-critical electronics and automotive applications
  • Very high stiffness and strength: Bending modulus approx. 7160 MPa, tensile strength approx. 87 MPa
  • Extremely low water absorption: Only approx. 0.05% – mechanical and thermal properties remain stable even under humidity
  • High dimensional accuracy: Very low warping, even for complex, precise parts

Typical applications

High-load technical parts in electronics, automotive, and industrial settings, components requiring flame protection, chemically aggressive environments, and high-temperature applications beyond classic engineering plastics.

Not sure which material fits?

Tell me about your requirements – I am happy to advise you on the right material choice.

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