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Liqcreate Flame Retardant HDT resin

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Brand: Liqcreate

Condition: New product

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139,95 €

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Flame retardant resin ideal for the automotive, aerospace or electronics industries.

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Data sheet
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Usage tips
Specifications

The Flame Retardant HDT resin from the Liqcreate catalog of engineering 3D printing resins is a rigid (Shore 88-89 D) off-white photopolymer compatible with most open-material SLA, DLP and LCD 3D printers in the 385-420 nm range. The FR HDT resin's key features are its high temperature resistance and self-extinguishing properties (UL 94 V0).

Electronics components 3D printed with the FR HDT resin

Image 1: Electronics componnets 3D printed with the FR HDT resin. Source: Liqcreate.

The Flame Retardant HDT resin has very high heat deflection temperature. The HDT-A (@ 1.80 MPa) of this material when UV-cured at 60 ºC for 60 minutes is 137 ºC and up to 145 ºC when cured for 120 minutes. The HDT-B (0.45 MPa) of of parts UV-cured at 60 ºC for 60 minutes is 237 ºC and it can reach even 257 ºC when cured twice as long.

Video 1: A burn test on the FR HDT resin. Source: Liqcreate.

Thanks to the high heat deflection temperature and flame retardant properties of this material, parts 3D printed with the Flame Retardant HDT resin are ideal for applications in the automotive industry (interior parts), in airplanes, trains and electronic devices. Another potential application would be tooling, covers, housings, etc.

Impact strength (KJ/m2)	2
Elongation at break (%)	3
Tensile strength (MPa)	43
Tensile modulus (MPa)	4200
Flexural strength (MPa)	67
Flexural modulus (MPa)	4400
Surface hardness	9
Fireproof	Fireproof

FR HDT Datasheet

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FR HDT Safety Datasheet

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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 FR HDT resin is quite user-friendly. First, the 3D printed part has to be cleaned 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 FR HDT resin in this article.

General information
Manufacturer	Liqcreate
Technology	SLA/DLP/LCD
Material	Photopolymer
Wavelength	UV 385-420 nm
Format	0.25 kg 1 kg
Color	Off-white
Compatible 3D printers	List of compatible resin 3D printers
Printing properties
Layer height	25-100 µm
Layer exposure time	-
Layer cooling time	-
Lifting height	-
Exposure of bottom layers	-
Number of bottom layers	-
Curing and washing properties
Washing time	4-5 min (IPA, Liqcreate Resin Cleaner, bioethanol or ultrasonic bath)
Curing time	Curing settings
Curing temperature	-
Mechanical properties (curing 60/120 min @ 60 ºC)
Izod impact resistance (ISO 180)	1.74 / 1.85 kJ/m² (notched)
Charpy impact resistance	-
Elongation at break (ASTM D638M)	1-3 / 1-3 %
Tensile strength (ASTM D638M)	41 / 43 MPa
Tensile modulus (ASTM D638M)	4200 / 4200 MPa
Flexural strength (ASTM D790)	73 / 67 MPa
Flexural modulus (ASTM D790)	4300 / 4400 MPa
Surface hardness (ASTM D2240)	Shore 88 D / 89 D
Thermal properties
Softening temperature	-
Heat deflection temperature (ISO 75)	HDT-B @ 0.45 MPa: 237 / 257 ºC HDT-A @ 1.8 MPa: 137 / 145 ºC
Specific properties
Flammability (UL 94)	V0 @ 3.0 mm
Additional information
Service life	-
HS Code	2916.1

* The typical values listed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the final results and properties with your own tests. For further information please refer to the product data sheet.