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PEN Natural

​Approved for up to 24 hours of contact with skin and tissue, and where applicable, indirect contact with blood.​

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  • Engineering-Grade Performance: Combines chemical resistance, heat stability, and low extractable potential.​

  • Superior Printability: Excellent bed adhesion, minimal warping, and fast print speeds at 270~285°C.​

  • Accessible: Delivers high-performance benefits without needing ultra-premium 3D printers.​

  • Precision Manufacturing: Available in 1.75mm and 2.85mm diameters with strict tolerances, utilizing processes similar to biocompatible tubing.                                                           

Color: Natural (Translucent)

Diameter (mm):

1.75 ± 0.03

2.85 ± 0.06

Net Filament Weight (g):

1000

200

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▲3D printed bone cement mold

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3D printing PEN filament vase mode

Start here: download recommended printing profiles; password: FLXR-PEN2024

Mechanical properties

Printing Orientation:

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The FDM process creates parts with a layered structure, causing mechanical properties to be anisotropic based on print orientation.*1

  • Flat XY orientation: predominant mechanical strength from infill​

  • Side YZ orientation: predominant mechanical strength from walls​

  • Upright Z orientation: interlayer adhesion strength.

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#: third party testing by: 

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*1 The values reported in TDS represent the average from a batch of 10 test specimens. For tensile, flexural, and impact properties of the 3D printed test specimens were produced using a 0.4 mm nozzle, 100% infill, print speed of 60mm/s, a nozzle temperature of 270°C and a build plate temperature of 80°C. FLXR Engineering is continuously working on expanding the TDS data

Chemical Resistance Chart

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We tested this material with different solvents both in our lab and with real customers in the field. Keep in mind that resistance levels can change at different temperatures or when solvents are mixed together. Use this data as a general guide. We regularly update our solvent resistance table as we gather more data, and you can download the complete list below.

Food Contact Compatibility Chart

PEN is ideal for diverse food types and temperatures, compatible with desktop 3D printers, a practical and funtional fit for food processing jigs and components.

Positioning Matrix of Biocompatable Materials

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Comparison of Mechanical Strength
for Biocompatible Materials

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Comparison of Temperature Resistance
for Biocompatible Materials

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