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The Soft-Flexible PLA filament is a flexible filament with durable rubber properties. It is useful for making parts that need to be flexible, not to break when bent (resistant) and also to be durable.
Standard PLA (polylactic acid) is a biodegradable plastic obtained from natural resources, in particular from starch extracted from corn, beet and wheat. This material is one of the most widely used materials in 3D printing today because it does not give off harmful gases and is easy to print on. The ease of use of this material derives from different factors:
Standard PLA is very rigid and does not bend well, while Soft-Flexible PLA is flexible; its texture is reminiscent of rubber and has a Shore hardness of 92A. It is an impact resistant material and suitable for many industrial and domestic applications such as: tyre, machine parts - mechanical elements that must withstand force - or children's toys.
Soft-Flexible PLA is one of the most widely used materials for flexible parts. The main difference between Soft-Flexible PLA and other flexible filaments is its known strength and durability, as well as the ease of printing even with Bowden-type extrusion systems. Soft-Flexible PLA is printed in a similar way to standard PLA, although it must be printed at a lower speed than using standard PLA to obtain good results; as well as using a higher bed temperature.
The following table shows a comparison of Soft-Flexible PLA with other flexible filaments:
|TPE 70A |
|TPE 82A |
|TPE 90A |
|PLA Soft||TPU 93A|
|TPE 96A |
|TPU 98A |
|Elongation at break||900 %||600 %||250 %||600 %||-||150 %||318 %|
|Chemical resistance||Solvent Acetone
|Contact food and skin||Not recommend.||Not recommend.||Certificate||Not recommend.||Not recommend.||Reliable||Not recommend.|
Like standard PLA, Soft-Flexible PLA filament is a bioplastic made from renewable resources such as corn. It is a biodegradable material and its carbon footprint is much smaller than that of other traditional 3D printing materials.
In addition, Soft-Flexible PLA does not contain any hazardous chemicals. It is a material suitable for human skin contact and food contact; meeting all the requirements of the European Union Regulation on Food Contact and the US Food and Drug Administration (FDA). In addition, this filament is RoHs certified and Reach compliant.
|Elongation at break (%)||300|
|Tensile strength (MPa)||17|
|Tensile modulus (MPa)||390|
|Softening temperature (ºC)||90|
|Hide color variations||(Hide color variations)|