Formlabs
Alumina 4N Resin
SLA · Ceramic-filled photopolymer · Greyish-white in the green state; white after sintering
A 99.99% pure technical ceramic with exceptional performance in extreme environments: heat-resistant, hard, wear-resistant, mechanically strong and chemically inert.
70D (Shore D, green state)
Shore Hardness
3.987 g/cm³ (theoretical density, after sintering)
Density

Finish and colour of the material as printed
Why choose Alumina 4N Resin?Why this material
Extreme thermal resistance – up to a 1500°C maximum working temperature
High hardness and wear resistance
Chemical inertness
Excellent mechanical strength
Excellent electrical insulation properties
Technical propertiesVerified figures only
70D (Shore D, green state)
ASTM D 2240
Shore Hardness
3.987 g/cm³ (theoretical density, after sintering)
98.60% relative density, ASTM C-373
Density
Greyish-white in the green state
white after sintering
Natural Color
Typical applicationsWhat it is used for
High-voltage components
Insulating housings and tubes
Mixing blades and tubes
Foundry tools
Compatible printersSystems that run this material
Form 4 / Form 4L where officially compatible
DocumentsTechnical data sheet
Technical Data Sheet
Download the Technical Data SheetMaterial characteristicsAppearance and classification
- Technical ceramic
- extreme heat resistance
- electrical insulator
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