3D filaments are engineered filament is here to help you stream your creative outlet, enabling you to see your thoughts and concepts engineered into a real and rewarding reality. Flexible PLA, or Polylactic Acid, is a commonly used thermoplastic material that does not require the use of a heated print bed.
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EFlex is a kind of transparent soft elastic material, or soft PLA, with high flexibility and very high mechanical strength (flexural tensile resistance), wear resistance, aging resistance. It is also very good at chemical resistance, water resistance, oil, and solvent resistance.
Not only that, but eFlex also has waterproof, coldproof and anti-ultraviolet features. The eFlex filament is very flexible and elastic with a Shore A Hardness of 87.
Note that flex filament is soft. You need to take special steps to ensure a smooth printing of flex materials, no matter from which vendor.
eSUN filaments are high-quality professional-grade filaments and are compatible with all FDM printers such as MakerBot, Reprap, UP, Afinia, Flash Forge and all FDM 3D Printers. Ensure that the printer is capable of handling flexible filament
TPU rubber based.
Very flexible and elastic.
Shore A Hardness at 87A.
Tensile Strength 52 MPa
TPU (thermoplastic Polyurethane)
Filament Diameter (mm)
Filament Weight and Length
1 kg/ 330 meters ~ 1080 feet
Density ( g/cm³)
Melt Flow Index (g/10min)
5 (10min, 2.16kg)
Shock Resistance ( KJ/m²)
Dimensional Accuracy (mm)
Roundness Accuracy (mm)
Spool Size (mm)
Hub Diameter: 32 Outer Diameter: 200 Width Diameter: 60
Melt Point (°C)
* Product Images are shown for illustrative purposes only and may differ from actual product.
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