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Alumina 4N Resin - FormLabs

Ref.: RS-F2-AL4N-01

1,249.00 €

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Approximate delivery date: Wednesday 8 January - Monday 13 January

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Discover the pinnacle of ceramic engineering innovation with the Alumina 4N resin from Formlabs, an integral component of the world's most accessible ceramic 3D printing ecosystem. Revolutionize your manufacturing processes by seamlessly integrating 3D printing technology to produce sophisticated ceramic components without the burden of costly tooling expenses.

Video 1: The Alumina 4N resin by FormLabs. Source: FormLabs.

Traditionally, the fabrication of alumina components necessitated ceramic pressing or injection molding methods, both reliant on expensive tooling investments. The Alumina 4N resin emerges as the preferred choice in applications where conventional metals and polymers falter. Upon undergoing washing in the dedicated Ceramic Wash Solution and subsequent firing process, parts 3D printed with the Alumina 4N resin metamorphose into a genuine high-density ceramic (98.6 %) with a purity of 99.99 %, mirroring the properties of conventionally manufactured alumina (Al2O3).

Parts 3D printed with the Alumina 4N resin by FormLabs

Image 1: Parts 3D printed with the Alumina 4N resin by FormLabs. Source: FormLabs.

Engineered to excel in the harshest of conditions, this material demonstrates exceptional resistance to elevated temperatures (max. working temperature of 1500 ºC) and abrasion (hardness HV10 of 1370), coupled with formidable mechanical strength and chemical inertness (non-corrosive and non-reactive).

Parts 3D printed with the Alumina 4N resin by FormLabs

Image 2: Parts 3D printed with the Alumina 4N resin by FormLabs. Source: FormLabs.

Parts 3D printed with the Alumina 4N resin excel in extreme environments, exhibiting thermal resilience, hardness, abrasion resistance, mechanical robustness, and chemical inertness. The material's versatility finds expression in a myriad of applications, including:

High-voltage components: frames, connector housings and covers, terminal boards.
Components for thermal protection: spark plug insulators, electrical mounts, insulating frames or tubes.
Chemically resistant components: manifold pipes, paddles, mixing pipes and blades.
Foundry tools for metal casting: taps, crucibles, troughs, sprues, mixing tools, thermocouple protection sleeves, metal filters, etc.

These features make the Alumina 4N resin ideal for the additive manufacturing of highly customized parts with complex geometries for industries such as defence, manufacturing, chemicals and automotive at a fraction of the cost compared to traditional subtractive manufacturing methods.

Recommended equipment

For optimal results, seamless integration and exceptional performance, it's crucial to utilize a stainless steel build platform when printing with the Alumina 4N resin. This material is compatible with a range of Formlabs 3D printers, including the Form 3, Form 3+ as well as Form 3B, and Form 3B+ and Form 4/4B. Experience the future of ceramic engineering with the Alumina 4N resin, where innovation meets reliability in the realm of advanced manufacturing.

Additional resources

In addition to the resin's safety and technical datasheets, and a firing manual available in the Downlods section, Formlabs offers numerous resources on the Formlabs website:

Curing, washing, and sintering properties
Washing time	(FormWash) 2
Curing time	-
Curing temperature	- ºC

General information
Manufacturer	FormLabs
Material	Photopolymer
Format	2 kg
Technology	SLA / LFS
Wavelength	405 nm
Compatible resin tanks	Form 3/3B Resin Tank V2.1 / Form 4 Tank
Compatible 3D printers	Form 3/3+, Form 3B/3B+, Form 4/4B
Relative density	(ASTM C-373) 98.6 %
Theoretical density	3.987 g/cm³

Electrical properties
Electrical resistivity	(ASTM D-257) > 1x10¹⁴ Ω⋅m
Dielectric loss (Tan Delta)	9x10⁻⁵
Permittivity	9.8

Printing properties
Layer height	100 µm
Layer exposure time	-
Layer off time	-
Lifting height	- mm
Bottom layer exposure	-
Bottom layer count	-

Mechanical properties
Izod impact strength	- KJ/m²
Charpy impact strength	- KJ/m²
Elongation at break	- %
Tensile strength	- MPa
Tensile modulus	(ASTM C-1259) 390000 MPa
Flexural strength	(ASTM C-1259) XY: 400 MPa / Z: 320 MPa
Flexural modulus	- MPa
Surface hardness	(D2240) Shore 70 D
Weibull modulus	(ASTM C-1259) XY: 9
Compressive strength	(ASTM C-773) 2200 MPa
Fracture strength	(ASTM C-1421) 3-5 MPa √m
Surface roughness	0.5-3 µm Ra
Vickers hardness	1500

Thermal properties
Softening temperature	- ºC
Maximum working temperature	1500 ºC
Thermal expansion coefficient	(ASTM E-228) 5 ppm/K
Thermal conductivity	32 W/m·K

Other
HS Code	2916.1
Lifetime (since manufacturing)	(@ 20-25 ºC) 3 M / (@ -10 - +4 ºC) 15 M

Other information
All mechanical, thermal and electric properties refer to the part after sintering.

To ensure a successful 3D printing process and correct outcome, the following tips for using FormLabs resins must be followed:

Cartridge Replacement

To replace the resin cartridge, the top vent cover must be closed, and the cartridge should be removed using the handle. Then, insert the new cartridge and open the ventilation hole if a 3D printing process is anticipated. To avoid resin stains on the 3D printer, this process should always be performed with the resin tank mounted.

Ventilation cover on FormLabs cartridges

Image 1: Ventilation cover on FormLabs cartridges. Source: FormLabs.

Once the 3D printing process is complete, the top cover should be closed to preserve the resin properties. If the printer is not used for some time, the cartridge should be stored in its original box to prevent degradation of the resin properties.

Resin Tank and Printer Compatibility

The Alumina 4N resin is compatible with Form 3/3+ printers and Form 3B/3B+ printers. Each resin should be used with the appropriate resin tank. Each tank must be changed after using 2L of resin. Resin tanks compatible with Alumina 4N resin can be found in the Specifications section.

Proper storage of resin tanks

Image 2: Proper storage of resin tanks. Source: FormLabs.

To properly protect and store the resin after each print, a cover should be placed on the tank to ensure a perfect seal. Then, the tank should be stored in the original box to avoid exposure to ultraviolet light. The tank should not be cleaned with isopropyl alcohol, as it will lose its qualities and cause continuous failed prints.

Resin Contamination

Remnants from the previous 3D printing process may remain in the resin tank. Therefore, it is recommended to remove the remnants from the tank using a spatula at a 45º angle.

Video 1: Cleaning a resin tank. Source: FormLabs.

To further ensure that the resin is free from contaminants, the resin can be sieved through a piece of 190 µm paper and then poured back into the tank.

Ceramic Wash Solution

For cleaning 3D printed parts with Alumina 4N resin, the manufacturer recommends using Ceramic Wash Solution specifically designed for this purpose.

Additional resources

In addition to the resin's safety and technical datasheets available in the Downlods section, Formlabs offers numerous resources on the Formlabs website:

Training

We offer SLA 3D printing training courses (online or in-person). Contact us through the contact form for more information. The training is aimed at those interested in learning how to use FormLabs SLA 3D printers.