PolyFlex™ TPU90

PolyFlex™ TPU90, created from Covestro’s Addigy® family, is a thermoplastic polyurethane (TPU) based filament designed to provide great flexibility without compromising on printing speed. It also has the ability to resist ultra-violet (UV) light or sunlight.

PHYSICAL PROPERTIES

Property
Testing Method
Typical Value

Density

ISO1183, GB/T1033

1.12 g/cm3 at 23 °C

Melt index

185°C, 1.2 kg

6.1 g/10min

Light transmission

N/A

N/A

Flame retardancy

N/A

N/A

CHEMICAL RESISTANCE DATA

Property
Typical Value

Effect of weak acids

Fair

Effect of strong acids

Poor

Effect of weak alkalis

Fair

Effect of strong alkalis

Poor

Effect of oils and grease

Good

Note:

Good: Material may get minor attack after long periods of storage with chemical at ambient temperature

Fair: Material can be used for short time contact with chemical at ambient temperature

Poor: Material becomes unstable on contact with chemical at ambient temperature

MOISTURE ABSORPTION CURVE

MECHANICAL PROPERTIES

Property
Testing Method
Typical Value

Stress at 100% strain (X-Y)

ISO 37, GB/T 528

7.1 ± 0.3 MPa

Stress at 200% strain (X-Y)

ISO 37, GB/T 528

9.0 ± 0.9 MPa

Stress at 300% strain (X-Y)

ISO 37, GB/T 528

13.2 ± 0.6 MPa

Stress at 400% strain (X-Y)

ISO 37, GB/T 528

19.0 ± 0.9 MPa

Tensile strength (X-Y)

ISO 37, GB/T 528

30.1 ± 2.4 MPa

Elongation at break (X-Y)

ISO 37, GB/T 528

592.1 ± 32.9 %

Shore hardness

ISO 7619-1, GB/T 531.1

90A

RECOMMENDED PRINTING CONDITIONS

Parameter

Nozzle temperature

210 – 230 (℃)

Build surface treatment

PC and Texture PEI (Glue when needed)

Build plate temperature

25 - 60 (˚C)

Cooling fan

ON

Printing speed

30 – 70 (mm/s)

Retraction distance

3 - 6 (mm)

Retraction speed

40 - 60 (mm/s)

Closure Chamber

No Needed

Recommended support material

PolySupport™ and PolyDissolve™ S1

Drying setting

70˚C for 8h

Annealing setting * Based on 0.4 mm nozzle. Printing conditions may vary

- with different nozzle diameters

  • Based on 0.4 mm nozzle. Printing conditions may vary with different nozzle diameters

TENSILE TESTING SPECIMEN

ISO 37, GB/T 528

HOW TO MAKE SPECIMENS

Printing temperature
230 °C

Bed temperature

50 °C

Shell

2

Top & bottom layer

3

Infill

100%

Environmental temperature

Ambient temperature

Cooling fan

ON

DISCLAIMER:

The typical values presented in this data sheet are intended for reference and comparison purposes only. They should not be used for design specifications or quality control purposes. Actual values may vary significantly with printing conditions. End- use performance of printed parts depends not only on materials, but also on part design, environmental conditions, printing conditions, etc. Product specifications are subject to change without notice.

Each user is responsible for determining the safety, lawfulness, technical suitability, and disposal/ recycling practices of Polymaker materials for the intended application. Polymaker makes no warranty of any kind, unless announced separately, to the fitness for any use or application. Polymaker shall not be made liable for any damage, injury or loss induced from the use of Polymaker materials in any application.

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