Zetamix Alumina Filament 1,75mm
$460
Alumina ceramic filament: Print FDM parts → sinter into high-temperature resistant, electrically insulating components for extreme environments.
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Compatible platform:
FFF
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Type:
Ceramic Filaments
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Categories:
Materials, Ceramic Filament, Composite Tooling, Engineering, FFF(FDM), Filaments, Jigs&Fixtures, Manufacturing
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Description
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
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.
- Brand Zetamix by Nanoe
- Printing Materials Ceramic Filaments
- Technology FFF
- 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
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