FilaFlex TPE UltraSoft 70A

Recreus

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37,90 €
37,90 €

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One of the most elastic and softest filaments on the market, reaching 900% stretch.

Filaflex UltraSoft 70A is one of the most elastic and softest filaments on the market, reaching a 900% stretch until breaking. The Filaflex UltraSoft filament is a TPE filament (Thermoplastic Elastomer) with a polyurethane base and certain additives.

The Filaflex Ultrasoft 70A filament has an even higher elasticity and smoothness than the Filaflex 82A (Filaflex), with a Shore 70A hardness and an abrasion resistance of 45mm3, being one of the most elastic and soft filaments on the market. Like the Filaflex, the Filaflex Ultrasoft 70A is resistant to solvents, acetone and fuels, but with lower tensile strength and lower softening temperature. The Filaflex UltraSoft 70A has good bonding properties with other types of materials used in the field of 3D printing, such as PLAABSHiPS and some Nylons, resulting in composite pieces with different properties and hardness. Thanks to all the qualities mentioned above, this material has an infinity of applications in all types of fields

FilaFlex UltraSoft is non-toxic, but not approved for medical or nutritional use. This material doesn't emit odors, is totally odorless and does not produce toxic gases. Due to its high elasticity, it is a complex material to use, since, in certain types of extruders, it's likely to wrap around the pinion of the extruder motor or directly bend the filament already before entering the HotEnd, something that occurs if a Bowden drive system is used. Therefore, this material is recommended only for advanced users and with 3D printers with the Recreus Extruder v3 extruder or with an extruder prepared to print elastic filaments (Should always be direct drive, never bowden). The "Recreus Extruder v3" is a direct-drive extruder extruder with high quality components created by the manufacturer of the Filaflex UltraSoft 70A, to be able to use this and other flexible materials without any problems and at high speeds compared to the rest of extruders on the market . Another extruder compatible with this material, but not recommended by the manufacturer, is the E3D Titan Aero.

If you are looking for a flexible material, but at the same time with a certain resistance, you should choose the PLA Soft-Flexible or the Flexfill TPU

In the following table you can see the comparison between the different materials with some flexibility that exist in the market:

TPE 70A 
Filaflex
TPE 82A 
Filaflex
TPE 90A 
Flexfill
TPU 92A 
Flexfill
TPU 93A
Smartfil
TPE 96A 
Flexfill
TPU 98A 
Flexfill
Tensile strength
(MPa)
32 45 5 49 40 5 53.7
Elongation at break 900 % 600 % 250 % - - 150 % 318 %
Absorción 
humedad
-
Chemical resistance Solvent Acetone
Fuel
Solvent Acetone
Fuel
Water
Acid
Alcohol
Alkali
Polish
Oil
Polish
Oil
Solvent
Water
Acid
Alcohol
Alkali 
Polish
Oil
Contact food and skin Not recommend. Not recommend. Certificate Not recommend. Not recommend. Reliable Not recommend.
Permeability gases -

Table 1: Comparison of properties of the flexible filament range
Elongation at break (%) 900
Tensile strength (MPa) 32
Surface hardness 3
Softening temperature (ºC) 90
Elasticity Elasticity
Flexibility Flexibility
Abrasion resistance Abrasion resistance
Vibration resistance Vibration resistance
Translucent Translucent
Moisture resistance Moisture resistance
Chemical resistance Chemical resistance
Hide color variations (Hide color variations)

It is very advisable to read the following article that will see major challenges confronting the FilaFlex UltraSoft 70A when printing as well as solutions and usage tips. The use of 3D printers with direct drive extruder is recommended (Recreus Extruder V3). It is essential to use 3D printers with direct drive of extruder (Recreus Extruder V3), in any case it will be possible to print this filament with a 3D printer with bowden type extruder

When you try to print for the first time the filament FilaFlex UltraSoft 70A is recommended to start with low speeds (20 mm/s) and high temperatures (225 °C). If you don´t have the Recreus extruder or hotend optimized for elastic filaments must use retraction distance 3.5mm, a speed of 20 mm/s, and increase the flow if the filament is intermittent extrusion (between 105-110%). In addition they should reduce the pressure lever arm presses the filament on the motor pulley to prevent the filament choke or jams.

As you gain experience you can increase the speed and lower the temperature in order to achieve high quality prints. You must use the fan layer because it is liquid enough to melt. As for the extrusion height does not affect the adhesion between layers (Ideal 0.20 mm). The recommended base temperature is 40 ºC. The use of BuildTak, 3DLacKapton tape or Blue Tape is not needed,  for the Filaflex UltraSoft 70A to adhere to bed.

The manufacturer (Recreus 3D) makes printing profiles (CURA, SLIC3R, CRAFTWARE, KISSLICER or SIMPLIFY3D ) FilaFlex you can download here.

You can download the manufacturer's safety data sheet, and the technical data sheet in the download tab.

It is very advisable to read the following article that will see major challenges confronting the FilaFlex UltraSoft 70A when printing as well as solutions and usage tips. The use of 3D printers with direct drive extruder is recommended (Recreus Extruder V3). It is essential to use 3D printers with direct drive of extruder (Recreus Extruder V3), in any case it will be possible to print this filament with a 3D printer with bowden type extruder

When you try to print for the first time the filament FilaFlex UltraSoft 70A is recommended to start with low speeds (20 mm/s) and high temperatures (225 °C). If you don´t have the Recreus extruder or hotend optimized for elastic filaments must use retraction distance 3.5mm, a speed of 20 mm/s, and increase the flow if the filament is intermittent extrusion (between 105-110%). In addition they should reduce the pressure lever arm presses the filament on the motor pulley to prevent the filament choke or jams.

As you gain experience you can increase the speed and lower the temperature in order to achieve high quality prints. You must use the fan layer because it is liquid enough to melt. As for the extrusion height does not affect the adhesion between layers (Ideal 0.20 mm). The recommended base temperature is 40 ºC. The use of BuildTak, 3DLacKapton tape or Blue Tape is not needed,  for the Filaflex UltraSoft 70A to adhere to bed.

The manufacturer (Recreus 3D) makes printing profiles (CURA, SLIC3R, CRAFTWARE, KISSLICER or SIMPLIFY3D ) FilaFlex you can download here.

You can download the manufacturer's safety data sheet, and the technical data sheet in the download tab.

General information
Manufacturing Recreus 3D (Spain)
Material TPE (Thermoplastic Elastomer)
Format Pack of 50g
Spool of 500 g
Density 1.08 g/cm3
Diameter of filament 1.75 or 2.85 mm
Diameter tolerance ±0,05 mm
Filament length ±193 m (Ø 1.75mm - 500 g)
±73 m (Ø 2.85mm - 500 g)
Color Natural
RAL/Pantone -
Print settings (1)
Printing temperature 215-235ºC
Print bed temperature 40ºC
Chamber temperature Not necessary
Cooling fan Recommended
Recommended printing speed 20-40 mm/s
Minimum nozzle diameter 0.4 mm or more
Layer height 0.2 mm
Retraction 3.5-6.5 mm (20-120 mm/s)
Mechanical properties
Izod impact strength -
Charpy impact strength -
Elongation at break (DIN 53504-S2) 900% 
Tensile strength (DIN 53504-S2) 32 MPa 
Tensile Modulus -
Flexural strength  -
Flexural modulus -
Surface hardness Shore 70A
Abrasion resistance 46 mm3
Thermal properties
Softening temperature (ASTM E2092) 90ºC 
Melting temperature 195ºC
Specific properties
Transparency  -
Flammability classification UL94 HB
Toxicity No
Resistant to solvents, acetone and fuel Yes
Additional Information
HS Code 3916.9
Diameter coil (outer) 200 mm 
Diameter coil (inner hole) 53 mm 
Coil width 50 mm 


* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.

(1)NOT compatible with bowden 3D printers.

General information
Manufacturing Recreus 3D (Spain)
Material TPE (Thermoplastic Elastomer)
Format Pack of 50g
Spool of 500 g
Density 1.08 g/cm3
Diameter of filament 1.75 or 2.85 mm
Diameter tolerance ±0,05 mm
Filament length ±193 m (Ø 1.75mm - 500 g)
±73 m (Ø 2.85mm - 500 g)
Color Natural
RAL/Pantone -
Print settings (1)
Printing temperature 215-235ºC
Print bed temperature 40ºC
Chamber temperature Not necessary
Cooling fan Recommended
Recommended printing speed 20-40 mm/s
Minimum nozzle diameter 0.4 mm or more
Layer height 0.2 mm
Retraction 3.5-6.5 mm (20-120 mm/s)
Mechanical properties
Izod impact strength -
Charpy impact strength -
Elongation at break (DIN 53504-S2) 900% 
Tensile strength (DIN 53504-S2) 32 MPa 
Tensile Modulus -
Flexural strength  -
Flexural modulus -
Surface hardness Shore 70A
Abrasion resistance 46 mm3
Thermal properties
Softening temperature (ASTM E2092) 90ºC 
Melting temperature 195ºC
Specific properties
Transparency  -
Flammability classification UL94 HB
Toxicity No
Resistant to solvents, acetone and fuel Yes
Additional Information
HS Code 3916.9
Diameter coil (outer) 200 mm 
Diameter coil (inner hole) 53 mm 
Coil width 50 mm 


* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.

(1)NOT compatible with bowden 3D printers.

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