Nylon 6 Spheroidal Powder

Nylon 6 Spheroidal Powder is a finely engineered polymeric particulate form of polyamide 6 with uniform spherical morphology and high flowability. Synthesized through solvent-thermal or dispersion methods, the powder achieves average particle sizes between 15–20 µm with minimal void fraction and enhanced packing density. Its superior tiling behavior and moderate apparent density make it highly suitable for selective laser sintering (SLS) and other powder-bed fusion 3D printing processes. Key applications include structural additive manufacturing, electronic housings, lightweight automotive components, and precise prototyping. Specific uses span laser-fused gear blanks, insulating bushings, and dye-penetrated test specimens. The powder’s tight morphology control, excellent interlayer adhesion, and reproducible melting behavior enable repeatable part fabrication. Ongoing research has explored optimization for sintering window, thermal diffusivity, and dielectric uniformity, confirming its value in high-precision polymer engineering and digital fabrication platforms.

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Tolerance

Properties

Reference & Citations

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Tolerances

Powder

Mean Particle Size		Nominal
Minimum Particle Size		Nominal
Maximum Particle Size		Nominal
Maximum Particle Size		Nominal
Particle Size D10		Nominal
Particle Size D50		Nominal
Particle Size D90		Nominal

Material Properties for Polymers

Chemical Resistance

Element	Value
Acids - concentrated	Poor
Acids - dilute	Poor
Alcohols	Good
Alkalis	Good-Fair
Aromatic hydrocarbons	Good
Greases and Oils	Good
Halogenated Hydrocarbons	Good-Poor
Halogens	Poor
Ketones	Good

Mechanical Properties

Element	Value
Coefficient of friction	0.2-0.3
Hardness - Rockwell	M82
Poisson's ratio	0.39
Tensile modulus( GPa )	2.6-3
Izod impact strength( J m⁻¹ )	30-250
Abrasive resistance - ASTM D1044( mg/1000 cycles )	5
Tensile strength( MPa )	78

Electrical Properties

Element	Value
Dielectric constant @1MHz	3.6
Dissipation factor @ 1kHz	0.2
Dielectric strength( kV mm⁻¹ )	25
Surface resistivity( Ohm/sq )	5x10¹⁰
Volume resistivity( Ohmcm )	5x10¹²

Physical Properties

Element	Value
Flammability	HB
Radiation resistance	Fair
Refractive index	1.53
Resistance to Ultra-violet	Poor
Limiting oxygen index( % )	25
Water absorption - equilibrium( % )	8
Water absorption - over 24 hours( % )	2.7
Density( gcm⁻³ )	1.13

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	200
Heat-deflection temperature - 1.8MPa( C )	80
Lower working temperature( C )	-40
Upper working temperature( C )	80-160
Specific heat( J K⁻¹ kg⁻¹ )	1700
Thermal conductivity( W m⁻¹ K⁻¹ )	0.24-0.28@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	95