Products

Filamet™ Metal, Glass, and Ceramic 3D Printing Materials

Filamet™ comes in both 1.75mm and 2.85mm and print on any FDM/FFF 3D printer that accepts any brand of filament.
Metal/Glass/Ceramic
Load By Mass
Recommended Nozzle Sintering Temperature Sintering Refractory Filament Density (g/cc) Use With a Filawarmer
Aluminum 6061
SDS | TDS
60.0 – 69.0% 0.6mm Hardened Steel 620°C (1148°F) Untested✽ Untested 1.20 – 1.50 No
Bronze
SDS | TDS
86.0 – 90.0% 0.6mm Hardened Steel 885°C (1625°F) AL203,
Magnesium Silicate and
Sintering Carbon
4.10 – 4.50 Yes
Copper
SDS | TDS
86.0 – 90.7% 0.6mm Hardened Steel 1052°C (1925°F) AL203,
Magnesium Silicate and
Sintering Carbon
4.50 – 5.00 Yes
H13 Tool Steel
(Discontinued)

SDS | TDS
86.8% 0.6mm Hardened Steel 1232°C (2250°F) Steel Blend and
Sintering Carbon
3.56 Yes
High Carbon Iron
SDS | TDS
75.0 – 80.0% 0.8mm Hardened Steel 1300°C (2372°F)
Untested
Steel Blend and
Sintering Carbon
2.90 – 3.85 No
Inconel® 718
SDS | TDS
82.0 – 85.0% 0.6mm Hardened Steel 1232°C (2250°F) Steel Blend and
Sintering Carbon
3.50 – 4.30 Yes
M300 Tool Steel
SDS | TDS
85.0% – 88.0% 0.6mm Hardened Steel 1232°C (2250°F) Steel Blend and
Sintering Carbon
3.50 – 3.65 Yes
Pure Iron
(Discontinued)

SDS | TDS
80.0 – 82.0% 0.6mm Hardened Steel 1300°C (2372°F)
Untested
Steel Blend and
Sintering Carbon
2.81 Yes
Rapid 3DShield Tungsten
SDS | TDS
88.0 – 94.0% 0.6mm Hardened Steel N/A N/A 7.80 – 9.20 Do Not Use
Stainless Steel 17-4
SDS | TDS
80.0 – 85.0% 0.6mm Hardened Steel 1232°C (2250°F) Steel Blend and
Sintering Carbon
3.25 – 4.15 Yes
Stainless Steel 316L
SDS | TDS
80.0 – 85.0% 0.6mm Hardened Steel 1232°C (2250°F) Steel Blend and
Sintering Carbon
3.45 – 3.55 Yes
Titanium 64-5
(Discontinued)

SDS | TDS
78.0 – 82.0% 0.6mm Hardened Steel 1350°C (2462°F) Untested Untested 2.46 No
Titanium 64-23
SDS | TDS
78.0 – 82.0% 0.6mm Hardened Steel 1350°C (2462°F) Untested Untested 2.50 – 2.85 No
Pyrex® (Borosilicate)
SDS | TDS
66.0 – 72.0% 0.8mm Hardened Steel 843°C (1550°F) AL203 or
Magnesium Silicate
1.45 – 1.55 No
Amaco 46-D
(Discontinued)

SDS | TDS
32.0 – 40.0% 0.6mm Hardened Steel 1232°C (2250°F) Any material that is refractory at the sinter temperature 1.44 Yes
Amaco White 25-D
(Discontinued)
40.0% 0.6mm Hardened Steel 1232°C (2250°F) Any material that is refractory at the sinter temperature 1.50 Yes
Amaco X-23
(Discontinued)
40.0% 0.6mm Hardened Steel 1232°C (2250°F) Any material that is refractory at the sinter temperature 1.50 Yes
Basalt Moon Dust
SDS | TDS
60.0 – 62.0% 0.6mm Hardened Steel 1050°C (1922°F) Untested Untested 1.60 – 1.75 Yes
Porcelain
SDS | TDS
48.0 – 52.0% 0.6mm Hardened Steel 1232°C (2250°F) Untested Any material that is refractory at the sinter temperature 1.40 – 1.50 Yes
Rapid 3DShield Boron Carbide
SDS | TDS
50.0 – 60.0% 0.6mm Hardened Steel N/A N/A 1.30 – 1.50 Yes
Silicon Carbide
SDS | TDS
63.0 – 68.0% 0.6mm Hardened Steel 2200°C (3992°F) Untested Untested 1.88 – 1.95 No
Zirconium Silicate (Zircopax®)
SDS | TDS
64.0 – 69.0% 0.6mm Hardened Steel 1500°C (2732°F) Untested Any material that is refractory at the sinter temperatured 2.10 – 2.19 Yes

✽Aluminum’s Oxides pose a challenge in the sintering process and it needs more than just an oxygen-free environment. Aluminum and its alloys can only be effectively sintered in pure nitrogen or in a vacuum. Argon has been used in the past, but can create some bonding issues between particles. There are conditions that aluminum requires depending on the alloy and geometry. Simple aluminum alloys such as 2014 can be sintered in dry nitrogen, but the furnace needs to be tight (-50 dewpoint) and uniform (±1°F) temperature control. Sintering development for Aluminum 6061 is underway. Current information and updates can be found here, as well as in our Discord server here.

✝Oxygen is damaging to the metal sintering process. Sintering Carbon is used to combat this. Titanium is extra troublesome because it absorbs oxygen like crazy. It will pull oxygen out of a standard kiln’s insulation. Compounding the issue is titanium’s reactivity in the presence of oxygen and heat. The solution that we understand today is to use an all-metal kiln and a chamber thoroughly flooded with ultra high-purity argon.

Half-Aluminum-Spool
Bronze-img
Copper-img
H13 Tool Steel-img
High Carbon Iron-img

Request other filament Materials

The Virtual Foundry can convert nearly any material into 3D printing filament. If you don’t see your preferred material here, contact us to ask about custom material development.

Sintering Kilns

Sinter printed metal and ceramic objects with the click of a button.

These systems allow Partner Innovators to sinter a number of The Virtual Foundry 3D printed materials including Ceramics, Bronze, Copper, 316L Stainless Steel, 17-4PH Stainless Steel, Inconel 718, and more in development!

How it works: 3D Print, Pack, Sinter, Metal! You “pack” the printed part in a Sintering Refractory Ballast and load the part in the Kiln. Select the parameters for sintering, click start and your parts will soon turn to functional metal objects! Follow the sintering instructions included with the kiln to turn your printed parts into metal.

Need Form 889 compliance? Contact us!

FireX Sintering Kiln

FireX Max Sintering Kiln

Firex sintering-img

Price: $1,970*

Specs:
115v, 15A, 1800w, 50/60Hz, Single Phase
Max. Temperature: 1260°C / 2300°F
Controller: Mini Touchscreen Controller
Plug: 5-15P
UL Listed

Sintering Area / Chamber Volume:
8″ Width x 8″ Depth x 6″ Height /
203mm Width x 203mm Depth x 152mm Height

Kiln Outer Dimensions:
15″ Width x 20.5″ Depth x 14.5″ Height /
381mm Width x 521mm Depth x 368mm Height

Compatible Materials:
Bronze, Copper, H13 Tool Steel, Inconel® 718, M300 Tool Steel, Stainless Steel 17-4, Stainless Steel 316L, Pyrex® (Borosilicate)

This Kiln Ships via UPS
Only available in the USA
Shipping Weight: 56lbs

Current Lead Time: 8–12 Weeks
*Prices do not include shipping. Purchase here.

firex-max-sintering-img

Price: $5,135*

Specs:
240v, 27.8A, 6660w, Single-Phase / 208v, 26.7A, 5550w, Single-Phase
Max. Temperature: 1288°C/2350°F
Controller: KilnMater Touchscreen (KMT)
Plug: 6-50P
UL Listed

Sintering Area / Chamber Volume:
16.5″ Diameter x 18″ Depth /
419mm Diameter x 457mm Depth

Kiln Outer Dimensions:
22.5″ Diameter x 32″ Height /
572mm Diameter x 813mm Height

Compatible Materials:
Bronze, Copper, H13 Tool Steel, Inconel® 718, M300 Tool Steel, Stainless Steel 17-4, Stainless Steel 316L, Pyrex® (Borosilicate)

This Kiln Ships via Freight
Only available in the USA
Shipping Weight: 145lbs

Current Lead Time: 8–12 Weeks
*Prices do not include shipping. Contact us for a shipping quote.

Refractory Ballasts

Metal Filament White powder in a bucket on a white background, possibly related to metal 3D printing.

SDS

Used for: Debinding Bronze and Copper Filamet™.

Key advantages: Al2O3 can be reused many times.

Particle Size: 100 mesh

Max Temperature: 1600°C

Sintering Refractory Ballast – Magnesium Silicate-img

SDS

Used for: Sintering Bronze and Copper Filamet™ and debinding and sintering Pyrex Filamet™.

Key advantages: Easily moves when the part shrinks and it leaves a superior post-sinter finish. Magnesium Silicate can be reused many times.

Particle Size: Submicron

Max Temperature: 1250°C

Sintering Refractory Ballast – Steel Blend -img

SDS

Used for: Debinding and sintering Inconel 718, Stainless Steel 17-4, and Stainless Steel 316L Filamet™.

Key advantages: Antioxidant in the stainless steel sintering process. Steel Blend can be reused many times. Steel Blend changes color to a pale yellow-orange color.

Particle Size: Submicron to 100 mesh

Max Temperature: 1600°C

Sintering Carbon-img

SDS

Used for: Keeping oxygen away from your parts during sintering. Only use with metal Filamet™. Not necessary for sintering in a vacuum or an inert atmosphere.

Key advantages: Prevents oxygen from reaching your part during sintering

Particle Size: Granular

Max Temperature: 2800°C