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Filaflex SEBS

Recreus

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28,02 €
28,02 €

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TPE-based filament with insulating properties, and resistance to chemicals, heat and UV radiation.

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The Spanish filament manufacturer Recreus does not stop surprising with high end materials, especially with new additions to the Filaflex family of elastic polymers. One such addition is the Filaflex SEBS, a low density filament that behaves like rubber without undergoing vulcanization, designed for industrial use. Filaflex SEBS successfully combines the flexibility, strength and durability characteristic of the Filaflex filaments with an excellent finish (high level of detail and soft touch), insulating properties, waterproofness, and chemical, thermal and UV resistance. The Filaflex SEBS is available in natural and black, in spools of 600 and 2500 g, in 1.75 mm and 2.85 mm diameters.

Video 1: The Filaflex SEBS filament by Recreus. Source: Recreus.

Filaflex SEBS (styrene-ethylene-butylene-styrene) has a Shore hardness of 90A, which is comparable to the hardness of a shoe heel or a shopping cart wheel. Filaflex SEBS can be successfully flexed and bent back to its original shape, and it is resistant to impact and fatigue. All these features, combined with the chemical, thermal and moisture resistance, make it an ideal material for the 3D printing of industrial outdoor use parts that need to absorb vibrations and stay elastic even when exposed to high temperatures, rain, elevated humidity, UV radiation, oil, fuel, solvents, salt water and autoclave cycles. Thanks to this set of outstanding properties, Filaflex SEBS can be used as an alternative to PVC (vinyl).

Parts 3D printed with SEBS

Image 1: Parts 3D printed with the black Filaflex SEBS filament. Source: Recreus.

The possible applications for the Filaflex SEBS filament are countless, from industrial applications (seals, gaskets, belts, straps, anti-vibration mounts, protectors, anti-slip systems), through the automotive industry (holders, soft-touch finishes, waterproof seals, protectors, floor mats), household appliances and footwear, to sporting goods (masks, pedals, watertight seals or fins for diving, pole grips for skiing).

Parts with Filaflex SEBS

Image 2: Parts 3D printed with the natural Filaflex SEBS filament after removing the supports (left). Source: Recreus.

The Filaflex SEBS filament is very easy to 3D print as it adheres very well to the build plate and, thanks to its moisture resistance, does not leave any threads. Despite being a flexible material, it is compatible with Bowden extrusion systems. When 3D printed with supports, the Filaflex SEBS filament proves easy to work with yet again, and facilitates smooth support removal. The final result is an elastic and impact resistant part with an excellent surface finish, and a range of advanced properties that make it suitable for use in very demanding industrial conditions and harsh environments.

Datasheet Filaflex SEBS 1

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Safety Data Sheet SEBS

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The Filaflex SEBS filament should be extruded at a temperature of 240-260 ºC, at 20-40 mm/s, on a bed heated to around 50-60 ºC. The recommended layer fan setting is 0-20 % but setting it to 0 % will improve adhesion.

Recreus recommends setting the retraction speed to 40-60 mm/s (at a distance of 2-3 mm) and the flow value to 100 %. The Filaflex SEBS filament is characterized by good adhesion to the build plate. Nevertheless, adhesion can be further improved by Increasing the width of the first layer by 5-10 %, using the “brim” setting of 10-20 lines, or using adhesion lacquer or adhesive tape such as Kapton tape (especially for small parts).

In order to prevent the Filaflex SEBS filament from absorbing moisture from the surroundings, it should be stored in a vacuum sealed bag with a filament drying capsule, in an intelligent filament container or in a filament drying case. Failing to properly store the Filaflex SEBS filament will result in extrusion problems and failed 3D prints. 

The fumes produced during the extrusion of the Filaflex SEBS filament should not be inhaled. If the user’s 3D printer does not have an air filtration system, external air purifiers such as Zimpure 2 or breathing equipment should be used. 

General information
Manufacturer Recreus 3D (Spain)
Material Filaflex SEBS
Format Spool of 0.60 kg
Spool of 2.5 kg
Density 0.906 g/cm3
Diameter of filament 1.75 or 2.85 mm
Diameter tolerance ±0,05 mm
Filament length -
Color Natural, black
RAL/Pantone -
Print settings
Printing temperature 215-250ºC
Print bed temperature Not necessary
Chamber temperature Not necessary
Cooling fan Recommended
Recommended printing speed 20-60 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) 146 % 
Tensile strength (ISO 527) -
Tensile Modulus 83 MPa
Flexural strength  -
Flexural modulus -
Surface hardness Shore 90A
Abrasion resistance 230 mm3
Thermal properties
Softening temperature (ASTM E2092) -
Melting temperature -
Specific properties
Transparency  -
Flammability classification UL94 HB
Toxicity -
Resistant to solvents, acetone and fuel -
Additional Information
HS Code 3916.9
Spool Diameter (outer) 200 mm 
Spool Diameter  (inner hole) 53 mm 
Spool 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.

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