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Liqcreate ESD resin

Ref.: LIQC-ESD-1000

139.95 €

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In stock 2 units available for immediate shipping.
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Approximate delivery date: Friday 15 November

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Liqcreate's portfolio of engineering 3D printing resins includes, among many others, ESD resin, characterised by its smooth opaque black finish, its ESD safety properties and its compatibility with most SLA, DLP and LCD 3D printers in the 385-420 nm range.

A housing 3D printed with the ESD resin

Image 1: A housing 3D printed with the ESD resin. Source: Liqcreate.

ESD resin can be easily 3D printed on equipment such as Anycubic Photon printers, the Creality Halot One or Phrozen resin printers (more information on compatibility here). 3D printed parts are characterised by rigidity with some bending ability and good impact resistance. This makes this resin suitable for the production of parts that must withstand constant use in the factory.

An ESD-proof housing 3D printed with the ESD resin

Image 2: An ESD-safe housing 3D printed with the ESD resin. Source: Liqcreate.

Parts 3D printed with Liqcreate ESD resin act as an electrostatic discharge dissipater, providing a safe evacuation path for electrostatic discharges, away from sensitive electronic devices that could suffer critical or latent damage as a result of an ESD event. These properties make ESD resin the perfect material for additive manufacturing of parts for ESD safe workspaces (EPA), e.g. custom jigs, fixtures, tools, housings, etc.

Curing, washing, and sintering properties
Washing time	4 - 5 min
Curing time	-

General information
Manufacturer	Liqcreate
Material	Photopolymer
Format	0.25 kg / 1 kg
Technology	SLA / LED-LCD / DLP
Wavelength	385 - 420 nm
Viscosity	@ 25 ºC: 1150 mPa⋅s

Printing properties
Layer height	25 - 100 µm
Layer exposure time	-
Layer off time	-
Lifting height	- mm
Bottom layer exposure	-
Bottom layer count	-

Mechanical properties
Izod impact strength	(ISO 180) 3.3 KJ/m²
Charpy impact strength	- KJ/m²
Elongation at break	(ASTM D638M) 5 - 10 %
Tensile strength	(ASTM D638M) 37 MPa
Tensile modulus	(ASTM D638M) 1900 MPa
Flexural strength	(ASTM D790) 83 MPa
Flexural modulus	(ASTM D790) 2100 MPa
Surface hardness	(ASTM D2240) Shore 82 D

Electrical properties
Volumetric resistivity	(AE30-ANSI) 10⁵-10⁷ Ohm/cm
Surface electrical resistivity	(AE30-ANSI) 10⁵-10⁷ Ohm/sq

Thermal properties
Softening temperature	51 ºC
Heat deflexion temperature	(ISO75) @ 0.45 MPa: 51 ºC / @ 1.8 MPa: 43 ºC

Specific properties
Maximum water absorption	(D570-98) 3.84 %

Other
HS Code	2916.1
Lifetime (since manufacturing)	- M

The Liqcreate resin bottles should be stored in a clean and dry environment, out of direct sunlight and in a temperature of 5-30 ºC. Before use, the resin bottle should be shaken energetically for at least 1 minute (at least 3 minutes in the case of filled resins). Once shaken, the resin should be left to rest for around 10 minutes to let the air bubble escape. Leftover resin can be poured back into the bottle but it should be first filtered to ensure there is no polymer residue present. Safety equipment such as protective garments, gloves and face protection is highly recommended for the handling of resin.

The post-processing workflow for the ESD resin is quite user-friendly. First, the 3D printed part has to be cleaned for a maximum of 6 minutes in Liqcreate Resin Cleaner, IPA alcohol or bioethanol, preferably ultrasonic or under agitation. Then the completely dried part has to be cured in a high-power UV curing chamber. The curing workflow is explained in detail by the manufacturer here. It absolutely crucial that the parts are dry before they are cured. The curing of wet or sticky parts will lead to mechanical and surface defects. The drying can be done by simply leaving the cleaned part in a well ventilated area for at least 30 minutes or with the help of pressurized air (2 minutes) for parts cleaned in IPA alcohol or ethanol.

More useful resources such as tips on how to use support structures with the Liqcreate resins, or on how to color, age or mix the resins can be found on the Liqcreate support page. Furthermore, the manufacturer provides useful tips on working with the ESD resin in this article.