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Filamet Zirconium Silicate Zircopax®

Ref.: ZIRCONIUM-TVF-175-500

124.50 €

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Approximate delivery date: Wednesday 20 November

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Filamet™ Zirconium Silicate Zircopax® is a filament developed by The Virtual Foundry (TVF), a pioneer in the development of filaments that, with a post-processing process using sintering, allow to obtain completely metallic or ceramic parts, maintaining the natural properties of the materials.

Filamet™ Zirconium Silicate Zircopax® is a filament composed of 60% zirconium silicate and the rest of PLA, being the filament with the highest ceramic load of those developed by The Virtual Foundry.

Zirconium silicate is a ceramic material noted for its high hardness of 7.5 on the Mohs scale. It is a material with refractory properties and a high resistance to corrosion and alkalis. It is a material commonly used in ceramics, glazes and glazed ceramics.

Thanks to its PLA content, this filament is very easy to print, as its printing properties are similar to those of PLA, allowing any FDM 3D printer user to produce parts with this material.

Once a part has been printed, it is necessary to carry out the sintering process, in an open environment or in a vacuum or inert environment, bearing in mind that the sintering values must be adjusted according to the geometry and furnace model. The product obtained is totally ceramic, but with certain porosity and a reduction in volume due to the loss of PLA.

Currently, a large list of industry sectors are using the various filaments developed by The Virtual Foundry: 3D printer manufacturers, biomedical innovation, jet engine development, radiation shielding, space exploration, nuclear energy, dental, artists or fashion design. One notable application is the manufacture of an internally heated hot water drill bit for drilling in Antarctica. With copper Filamet™, a drill bit with an internal structure that is extremely difficult to machine or mould has been manufactured very easily and at low cost. Another notable application is the printing of radiation shielding containers using tungsten Filamet™. Such containers are used to transport reagent medicines without having to resort to (toxic) lead containers.

Filamet™ Zirconium Silicate Zircopax® filament allows any FDM 3D printer user to produce ceramic objects. Once sintered in a furnace, the result of 3D printed parts made with this material is 100% ceramic.

General information
Manufacturer	The Virtual Foundry
Material	Ceramic + binder
Format	500 g
Density	1.8 g/cm³
Filament diameter	1.75 / 2.85 mm
Amount of filler (volume)	- %
Amount of filler (mass)	60 %

Printing properties
Printing temperature	205 - 235 ºC
Print bed temperature	40 - 50 ºC
Recommended printing speed	30 mm/s
Recommended nozzle	Hardened Steel
Recommended nozzle diameter	Min. 0.6 mm

Mechanical properties
Elongation at break	- %
Tensile strength	- MPa
Tensile modulus	- MPa
Flexural strength	- MPa
Flexural modulus	- MPa
Surface hardness	-

Thermal properties
Softening temperature	55 ºC

Sintering properties
Container	Refractory crucible
Refractory powder	-
Maximum temperature	1500 ºC

Specific properties
Radiation protection (without sintering)	✗

Other
HS Code	7406.1
Spool diameter (outer)	300 mm
Spool diameter (inner hole)	65 mm
Spool width	55 mm

Printing tips

Due to the high amount of metal, the filament can break more easily than conventional PLA filament. To avoid breakage during printing, it is recommended to use Filawarmer, an accessory that preheats the filament before printing to reduce its brittleness and increase its malleability.

It is necessary to use a hardened nozzle of at least 0.6 mm diameter to avoid clogging.

As far as infill, the average recommended amount is 30-70 % but it largely depends on what kind of part the user wants to obtain and whether the part will be sintered or not. For more indepth information please watch this video:

Video 1: The recommended infill for the TVF materials. Source: TVF.

It is recommended to print on a glass base and use an adhesive such as Magigoo. It is not possible to print directly on PEI bases, as the part could be welded to the base and the base would be damaged. If you have a PEI base, it is recommended to apply a layer of Blue Tape.

It is recommended to print at low speeds of up to 30 mm/s.