Polyamide 12 (PA12)

Alternative and trade names
Rilsamid®, Vestamid®, Grilamid®

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Description

Its key features include:

Minimal water absorption: molded parts show almost no dimensional changes with variation in atmospheric humidity

Extraordinarily high impact resistance and Charpy notched impact strength, even well below freezing point

Good to excellent resistance to greases, oils, fuels, hydraulic fluids, and many solvents as well as to salt solutions and other chemicals

Excellent resistance to stress cracking, even for metal parts encapsulated by injection molding or embedded into the plastic

Excellent abrasion resistance

Low dry sliding friction coefficient as compared with steel, polybutylene terephthalate, polyacetal, and other materials

Noise and vibration damping properties

Excellent resistance to fatigue caused by frequent load change

Easy processability

This material data has been provided by M-Base.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Value
Density	1.01 - 1.03 g/cm³ Show Material materials with Density of 1.01 - 1.03 g/cm³

Mechanical

Property	Value	Comment
Elastic modulus	0.9 - 1.2 GPa Show Material materials with Elastic modulus of 0.9 - 1.2 GPa
Elongation	200.0 - 400.0 % Show Material materials with Elongation of 200.0 - 400.0 %
Impact strength, Charpy notched	10.0 - 20.0 kJ/m² Show Material materials with Impact strength, Charpy notched of 10.0 - 20.0 kJ/m²
Tensile strength	35.0 - 45.0 MPa Show Material materials with Tensile strength of 35.0 - 45.0 MPa	at 10-15% strain
Impact strength, Charpy unnotched	no break

Thermal

Property	Value
Coefficient of thermal expansion	0.0001 - 0.00018 1/K Show Material materials with Coefficient of thermal expansion of 0.0001 - 0.00018 1/K
Melting point	175.0 - 180.0 °C Show Material materials with Melting point of 175.0 - 180.0 °C
Specific heat capacity	1260 J/(kg·K) Show Material materials with Specific heat capacity of 1260 J/(kg·K)
Thermal conductivity	0.2 - 0.23 W/(m·K) Show Material materials with Thermal conductivity of 0.2 - 0.23 W/(m·K)
Flammability	UL 94 HB

Electrical

Property	Value
Dielectric constant	3.1 [-] Show Material materials with Dielectric constant of 3.1 [-]
	4.7 [-] Show Material materials with Dielectric constant of 4.7 [-]
Electrical resistivity	1000000000.0 - 3000000000000.0 Ω·m Show Material materials with Electrical resistivity of 1000000000.0 - 3000000000000.0 Ω·m

Optical

Property	Value
Transparency	no

Technological properties

Property

Application areas

Air ducts, cable sheathing, heel shells of ski boots

Other

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Processing methods

Injection molding, extrusion, laser sintering, coating

Polyamide 12 (PA12)

Description

Ashby charts

Applications

Suggested reading

Properties