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  • Filafly TPU antimosquitos View larger

    Filafly anti-mosquito TPU

    Tecnikoa

    New product

    1 Item

    28,10 €tax excl.
    34,00 €tax incl.

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    Flexible TPU-based filament with citronella scent that acts as a mosquito repellent.

    Tecnikoa is a Spanish manufacturer of filaments for 3D FDM printing. Currently, Tecnikoa produces only flexible TPU-based filaments with a degree of stiffness that allows printing with any 3D FDM printer in a simple way, whether it has a direct-type or Bowden-type extruder.

    TPU (Thermoplastic Polyurethane) is a thermoplastic, more specifically a linear elastomeric polymer belonging to the family of polyurethanes. This material is characterized by its high resistance to abrasion, certain chemical elements, UV rays and low temperatures. This set of properties makes the use of the TPU widespread throughout the industry.

    Filafly® filament is a flexible TPU-based filament with excellent physical and mechanical properties. However, the most outstanding feature is that this filament is developed with a substance of plant origin from citronella, which makes it a mosquito repellent with proven efficacy.

    Mosquito bites are very frequent in the summer season. Mosquito bites generate itchy bumps. These welts usually go away on their own within a few days, but are very bothersome for children and adults; in addition to being potentially serious in certain cases such as that of allergy sufferers. There is an added risk in areas where mosquitoes can carry certain viruses or parasites that can cause serious illness. Some of the infections they can transmit are yellow fever, malaria, and some types of brain infection (encephalitis).

    In addition, the presence of these insects is very unpleasant in many catering establishments, food stores or food production plants, where sometimes chemical repellents cannot be used.

    Taking the appropriate preventive measures is essential to reduce the presence of mosquitoes and avoid their bites. The citrus scent of citronella, reminiscent of lemon, masks other scents that may be attractive to mosquitoes, so they don't come close. In this way, citronella is able to scare away mosquitoes without resorting to insecticides or chemical repellents.

    filafly

    Image 1: 3D printed mosquito repellent wristbands with Filafly®. Source: Tecnikoa.

    Filafly® filament has a pleasant feeling to the touch and a very striking and translucent yellow color. The citronella scent, responsible for repelling mosquitoes, remains in the pieces after 3D printing; a unique and original property. Tecnikoa ensures that the aroma of the 3D printed parts with these materials remains for two years, as long as the piece is not outside, exposed to high temperatures and other inclemencies; or be handled or come in contact with oil or dirt.

    In addition, Filafly® filament has a food grade certificate. It is the user's responsibility not to print too small things that children can choke on.

    Applications:


    The most common applications of the Filafly® filament are those related to the mosquito repellent effect of the material; such as mosquito repellent bracelets.

    pulseras

    Image 2: Collection of Moki Band bracelets. Source: Tecnikoa Source: Tecnikoa.

    Another very interesting application is 3D printing of elements for restaurants, food stores or other types of establishments that, in the high temperature season, notice the presence of mosquitoes. These elements could be from handles for tools or knives, some device for the employees of the establishment, or even napkin rings to keep mosquitoes away from diners. It should be remembered that all these applications are viable because this filament has a food grade certificate.

    Without a doubt, the Filafly® filament from Tecnikoa combines aesthetics, mechanical properties and a useful feature such as its mosquito repellent effect; becoming an innovative product that offers endless possibilities on a creative level.

    Elongation at break (%) 599
    Tensile strength (MPa) 27.5
    Tensile modulus (MPa) 525
    Surface hardness 5
    Elasticity Elasticity
    Flexibility Flexibility
    Hide color variations (Hide color variations)

    It is recommended to use Magigoo3DLac or BuildTak at the base of the 3D printer so that the first layer of Filafly filament adheres correctly. The recommended printing temperature is between 215-250ºC, and the recommended printing speed is 20 - 60 mm / s. The recommended retraction would be 3.5 - 6.5 mm for a Bowden type extruder and 0.8 - 1.5 mm if a direct extruder is used.

    In the event that printing problems appear due to slipping of the filament in the head, it is advisable not to use retraction and increase the flow in the case that the extrusion is intermittent. In addition, in small pieces it is also advisable to always print without retraction and with a powered fan.

    TPU is a very hygroscopic material so it tends to absorb moisture. Once printing is finished, it is recommended to store the coil in an airtight bag. In case the coil has not been stored correctly, that is, exposed to moisture, it is recommended to dry it by introducing it into a filament dryer such as Printdry.

    General information
    Manufacturer Tecnikoa
    Material Filafly TPU (Thermoplastic polyurethane)
    Format Pack of 50g
    Spool of 500g
    Density 1.21 g/cm3
    Diameter of filament 1.75 mm
    Diameter tolerance ±0,03 mm
    Filament length ±171 m (Ø 1.75 mm-0.5 kg)
    Color Translucent yellow
    Scent Citronella
    Print settings
    Printing temperature 215-250 ºC
    Print bed temperature Not necessary
    Chamber temperature Not necessary
    Cooling fan Recommended
    Recommended printing speed 20-60 mm/s
    Mechanical properties
    Izod impact strength  -
    Charpy impact strength -
    Elongation at break (DIN 53504) 599 % 
    Tensile strength (DIN 53504) 27.5 MPa 
    Tensile Modulus (ISO 6721) 525 MPa
    Flexural strength -
    Flexural modulus -
    Surface hardness Shore 96A
    Abrasion resistance (ISO 4649) 46 mm3
    Thermal properties
    Softening temperature (ASTM E2092) -
    Melting temperature 180-200 ºC
    Specific properties
    Transparency  -
    Additional Information
    HS Code 3916.9
    Diameter coil (outer) 200 mm 
    Diameter coil (inner hole) -
    Coil width 80 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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