3D printing in Formlabs PA12 | Manufacturing Materials

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Formlabs PA12

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Formlabs PA12

Material type: Plastic, high precision, thermoplastic

Formlabs Nylon 12 Powder is a versatile, industry-standard SLS 3D printing material. It combines high tensile strength with environmental stability, enabling the production of detailed, complex assemblies and durable parts that absorb very little moisture.

Process compatibility

SLS

Material Color

Grey (natural)

Black (dyed)

Material advantages

Thanks to its high tensile strength, ductility, and environmental stability, Nylon 12 Powder is well suited to complex assemblies and durable parts with minimal water absorption.

Material shortcomings

Thin features are prone to brittleness — geometries such as 1–2 mm wall thickness are more fragile and may break during post-processing or if dropped. Ductility is also relatively low, with elongation at break (X/Y) of about 11%, making it less flexible than materials such as PA11.

Recommended description

Formlabs PA12 is a general-purpose nylon powder for SLS printing that balances strength, detail, and heat resistance. It is a good fit for functional prototypes and durable end-use parts, particularly where low moisture absorption matters.

Properties

Name
Ultimate Tensile Strength (ASTM D638)	50 MPa
Tensile Modulus (ASTM D638)	1850 MPa
Elongation at Break (X/Y) (ASTM D638	11%
Flexural Modulus (ASTM D790)	1600 MPa
IZOD Impact Strength, Notched (ASTM D256)	32 J/m
Heat Deflection Temp., 1.8 MPa (ASTM D648)	87 °C
Water Absorption (ASTM D570)	0.66%