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PA11 ESD - SLS Printing Powder

Ref.: SINTERIT-PA11ESD-2KG

198.00 €

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Approximate delivery date: Friday 29 November - Thursday 5 December

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Sinterit is a Polish manufacturer recognised as a pioneer in the development of affordable SLS 3D printing solutions. In addition to a complete range of equipment, both compact and industrial, it also has the widest range of optimised materials in its segment.

Sinterit equipment range

Image 1: Sinterit's range of equipment. Source: Sinterit

In addition to excellent materials for general applications such as PA12 Smooth, PA11 Onyx or Flexa Grey TPU, Sinterit has developed many materials for special applications such as polypropylene or Flexa Soft and Flexa Bright TPUs.

Sinterit powders

Image 2: Sinterit general purpose powders. Source:Sinterit

PA11 ESD is a special application material. It is a PA11 powder specially additivated to provide electrostatic discharge functionality.

In terms of mechanical behaviour, it has slightly lower properties than the excellent PA11 Onyx on which it is based. Parts printed on PA11 ESD have a tensile modulus of 1.85 GPa and flexural modulus of 1.24 GPa, as well as an impact strength (non-indented Charpy) of 59 kJ/m2, making it suitable for the most demanding applications.

In addition to its good mechanical properties, it has volumetric and surface strength values compatible with the ability to provide electrostatic discharge. It has a volumetric specific resistance of 100 kΩ and a surface specific resistance of only 53 kΩ.

Housing printed with PA11 ESD

Image 3: Housing printed on PA11 ESD. Source Sinterit

The combination of all this, together with its good printing quality and high dimensional stability, makes it a perfect material for the development of functional housings for electronic equipment.

It is also suitable for the manufacture of tools, jigs and fixtures for the production, assembly and testing of electronic components, as well as for the production of components for use in explosive atmospheres.

Tooling printed on PA11 ESD

Image 4: Tooling printed on PA11 ESD. Source Sinterit.

PA11 ESD is a valid material to cover a wide range of applications requiring ESD functionality, providing high added value to sectors such as automotive, consumer electronics or scientific-technical instrumentation.

General information
Manufacturer	Sinterit
Material	PA
Format	2 Kg
Technology	SLS
Average granulation	45 µm
Material refreshing ratio	60 %
Compatible 3D printers	Lisa Pro, Lisa X, Nils 480

Electrical properties
Volumetric resistivity	(IEC 62631-3-1) 1.0 x 10⁵ Ohm
Surface electrical resistivity	(IEC 62631-3-2) 5.3 x 10⁴ Ohm

Mechanical properties
Izod impact strength	- KJ/m²
Charpy impact strength	(ISO 179) 59 KJ/m²
Elongation at break	(ISO 527) 27 %
Tensile strength	(ISO 527) 46 MPa
Tensile modulus	(ISO 527) 1850 MPa
Flexural strength	(ISO 178) 56 MPa
Flexural modulus	(ISO 178) 1240 MPa
Surface hardness	(ISO 868) Shore 76 D

Thermal properties
Melting temperature	204 ºC
Softening temperature	172 ºC
Heat deflexion temperature	(PN-EN ISO 75-2:2013-06) 103 ºC

Other
HS Code	3908.1

Like PA11 Onyx, PA11 ESD requires the use of nitrogen during printing. Likewise, a Sinterit Studio Advanced Software licence is required to use this material.

PA11 ESD is sensitive to moisture, so it must be stored properly in a dry environment. In the event of moisture pick-up, it can be dried at 100°C for 6h. Depending on the degree of humidity or the length of time stored in poor conditions, the material may not recover its original properties.

After each use, the material needs to be refreshed by 60 %.