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Materials, Ceramic Filament, Composite Tooling, Engineering, FFF (FDM) 3D Printing Materials, Filaments 3D Printing Materials, Jigs&Fixtures, Manufacturing · FFF

Zetamix Alumina Filament 1,75mm

Print technical alumina (Al2O3) parts on a standard FFF printer, then debind and sinter to dense, high-temperature ceramic.
  • ✔ Electrically insulating, very hard and wear-resistant, stable at high temperatures
  • ✔ Print → debind → sinter to dense alumina — no powder bed, no special printer
  • ✔ Genuine Zetamix by Nanoe · 500 g spool · lead time 10–20 business days (depending on order queue)

$495

Price held 7 days after order.
About this product

Zetamix Alumina Filament enables direct production of advanced ceramic components using standard FDM 3D printers. Create parts with exceptional temperature resistance, excellent electrical insulation, and superior wear resistance—ideal for high-temperature applications, electrical insulation, and demanding industrial environments where conventional materials fail.

Why Engineers & Manufacturers Choose Zetamix Alumina

Extreme Temperature Performance

  • Withstands temperatures up to 1550°C after sintering

  • Excellent thermal stability and heat resistance

  • Ideal for furnace components, thermocouple tubes, and high-temperature tooling

  • Maintains mechanical properties in extreme thermal environments

Superior Electrical Properties

  • Excellent electrical insulator with dielectric constant of 9 (±0.5)

  • Low loss tangent: ≈1×10⁻³

  • Stable performance from -50°C to +110°C (±5%)

  • Perfect for electrical insulation applications

Exceptional Wear & Chemical Resistance

  • High hardness: 19 GPa (Hv10)

  • Excellent wear resistance for abrasive applications

  • Chemically inert – resistant to most acids and alkalis

  • 98-99% density for maximum durability

Material Properties After Sintering

  • Density: 98-99% of theoretical density

  • Bending Strength: 200-500 MPa

  • Hardness: 19 GPa (Hv10)

  • Dielectric Constant: 9 (±0.5) at 9.4 GHz

  • Melting Point: 2072°C

Your Path to High-Temperature Ceramic Parts

1. Design for Extreme Environments

  • Scale models by 126.2% (X/Y) and 130.2% (Z) for sintering shrinkage

  • Minimum part size: 6mm cube | Minimum wall: 1mm

  • Minimum pin diameter: 2.5mm | Minimum hole: 0.6mm (vertical)

  • Maximum overhang: 40° unsupported, 20° for ceilings

2. Precision Printing Protocol

  • Use grooved drive gears to prevent filament grinding

  • Print on flexible build plates for easy removal

  • 100% fan speed for optimal surface quality

  • 1mm retraction at 20 mm/s recommended

  • Maintain room temperature below 25°C (use AC if needed)

  • Minimum 2 wall layers with 5-100% infill density

3. Controlled Debinding & Sintering

  • Chemical Debinding: 6h acetone bath at 40°C (>5% mass loss)

  • Thermal Debinding: 8°C/h ramp to 500°C (≈2.5 days) or accelerated cycle available

  • Sintering: 50°C/h to 1550°C with 2h hold in air atmosphere

Where Zetamix Alumina is used

Labs and manufacturers already 3D-print alumina with Zetamix for parts that have to survive heat, wear and electrical loads:

  • High-temperature lab fixtures and sample holders (e.g. synchrotron beamlines and high-temperature tensile-test rigs)
  • Venturi nozzles and burner components
  • Crucibles and on-demand laboratory consumables
  • Electrical insulators and wear-resistant tooling inserts

See real builds in our Zetamix case studies →

No sintering furnace or debinding station? Talk to our team — we’ll help you get set up. Get in touch →

FAQs

What makes alumina ideal for high-temperature applications?

Alumina maintains excellent mechanical properties at extreme temperatures (up to 1550°C), offers outstanding thermal stability, and is chemically inert—making it perfect for furnace components, thermal processing, and high-temperature tooling.

How does alumina compare to zirconia for high-temperature use?

Alumina offers superior temperature resistance (1550°C vs 1475°C for zirconia) and better electrical insulation, while zirconia provides higher mechanical strength. Choose alumina for extreme temperatures and electrical applications.

What applications is alumina best suited for?

High-temperature furnace components, electrical insulators, thermocouple protection tubes, laboratory equipment, wear-resistant liners, chemical processing parts, and any application requiring thermal stability with electrical insulation.

Can alumina parts be used in electrical applications?

Yes! Alumina is an excellent electrical insulator with a dielectric constant of 9 and low loss tangent, making it ideal for high-voltage insulation, circuit components, and electrical feedthroughs.

How chemically resistant is sintered alumina?

Alumina is highly chemically inert, resisting most acids, alkalis, and corrosive environments. This makes it suitable for chemical processing equipment, laboratory ware, and corrosive fluid handling.

What design limitations should I consider?

Maximum printed size determined by furnace dimensions, minimum wall: 1mm, minimum feature: 0.6mm. Account for anisotropic shrinkage (different in X/Y vs Z directions).

How long does the complete process take?

Printing varies by model. Chemical debinding takes 6h + 2h drying, thermal debinding ≈60h (or 23h accelerated), and sintering ≈30h including ramp times and holding.

What safety precautions are necessary?

Use in well-ventilated areas, wear FFP2 masks during printing and handling. The sintered alumina is biologically inert and safe for handling.

What’s the shelf life of the filament?

Six months when stored in original vacuum-sealed packaging in cool, dry conditions.

Can I create complex geometries with internal channels?

Yes! This is a key advantage over traditional ceramic manufacturing. Create intricate internal cooling channels, complex fluid paths, and geometries impossible with conventional methods.

See Zetamix in action

Watch how Zetamix ceramic and metal filaments go from spool to dense, sintered part — the same FFF print → debind → sinter workflow we run in-house.

Choose your Zetamix material

Every Zetamix filament prints on a standard FFF 3D printer — we print and validate them in-house on our 3DCeram M.A.T. system — then debind and sinter to a dense ceramic or metal part. The highlighted row is the material on this page; compare the range below:

Material Type Stands out for Best for From
Alumina Technical ceramic Electrical insulation, ~1550°C Insulators, high-temp tooling $495
White Zirconia Technical ceramic Toughness & flexural strength Wear & structural parts $485
Black Zirconia Technical ceramic Zirconia strength, black finish Aesthetic + technical parts $550
Silicon Carbide Technical ceramic Extreme hardness & thermal Abrasive / high-temp parts $550
Porcelain Ceramic (art) Glazeable, classic finish Art, tableware, decorative $225
316L Stainless steel Corrosion resistance, ductile Functional metal parts $420
17-4 PH Stainless steel High strength, hardenable Tooling & functional parts $420
H13 Tool steel Hot hardness & wear Dies, inserts, tooling $420
TiO2 Specialty ceramic Specialty technical ceramic Niche functional parts $550

Not sure which fits? We print these every day — talk to our materials engineers, or see real Zetamix parts in action →.

Brand Zetamix by Nanoe
Printing Materials Ceramic Filaments
Technology FFF
Spool weight 500 g (vacuum-sealed)
Chemical symbol Al2O3
Sintering type Solid State Sintering
Printing temperature 170-180°C
Sintering Temperature 1550°C under air
Shrinkage x,y = 20.8% ±1% / z = 23.2% ±1%
Density 98-99%
Specific Gravity [g.cm-3 ] 2.5
Melt Flow Rate [g/10(min)] 200
Melt Volume Rate [cm3 /10(min)] 80
Moisture Absorption 24 hours [%] <0,1%
Moisture Absorption , 7 days [%] <0,3%
Shore D 40

Common questions

Don't see yours? Email [email protected] — NDA standard, typical reply within 4 hours.

What is Zetamix Alumina Filament?
Zetamix Alumina Filament is a ceramic-filled FFF/FDM filament that allows users to manufacture dense alumina (Al₂O₃) ceramic parts using a standard FDM 3D printer. After printing, the green part is chemically debound and sintered to achieve high-performance ceramic properties.
Do I need a specialized ceramic 3D printer to use Zetamix Alumina Filament?
No. Zetamix Alumina Filament is designed to print on many standard FDM/FFF 3D printers. After printing, the parts require debinding and sintering to transform them into dense ceramic components.
What are the main advantages of Zetamix Alumina Filament?
Zetamix Alumina Filament produces parts with excellent electrical insulation, high hardness, outstanding wear resistance, strong chemical resistance, and the ability to withstand temperatures up to 1,550°C after sintering.
What applications is Zetamix Alumina Filament best suited for?
This material is ideal for electrical insulators, laboratory equipment, furnace components, thermocouple protection tubes, burner nozzles, crucibles, wear-resistant tooling, jigs and fixtures, and other high-temperature engineering applications.
How heat resistant are sintered alumina parts?
After sintering, alumina components maintain excellent mechanical stability at very high temperatures and can be used in applications requiring continuous exposure to extreme heat, with a melting point of approximately 2,072°C.
Are alumina parts electrically insulating?
Yes. Sintered alumina is an excellent electrical insulator with a stable dielectric constant and low electrical losses, making it suitable for electronic, electrical, and high-voltage applications.
Is Zetamix Alumina Filament chemically resistant?
Yes. Once sintered, alumina is highly resistant to corrosion and remains chemically stable when exposed to most acids, alkalis, and industrial chemicals.
What processing steps are required after printing?
After printing, the green part undergoes chemical debinding to remove the binder, followed by thermal debinding and high-temperature sintering. These steps are essential for achieving the final density, strength, and dimensional stability of the ceramic part.
Do printed parts shrink during sintering?
Yes. Like all technical ceramic materials, alumina parts shrink during the debinding and sintering process. Designs should be scaled appropriately to compensate for predictable shrinkage and achieve the desired final dimensions.
What mechanical properties can I expect after sintering?
Properly sintered parts achieve approximately 98–99% theoretical density, bending strength between 200 and 500 MPa, and a hardness of approximately 19 GPa, making them suitable for demanding industrial environments.
Can I print complex ceramic geometries?
Yes. Zetamix Alumina Filament allows the production of complex geometries, internal channels, and customized ceramic components that would be difficult or expensive to manufacture using traditional ceramic processing methods.
What support does Additive Plus provide for Zetamix Alumina Filament?
Additive Plus provides expert guidance on printer compatibility, design recommendations, print settings, debinding, sintering, and complete ceramic manufacturing workflows. If you do not have access to a debinding station or sintering furnace, our team can also help you select the right equipment and process for your application.

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