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Liqcreate Premium Flex resin

Ref.: LIQC-PREMIUM-FLEX-250

29.74 €

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Approximate delivery date: Thursday 26 December

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One of the resins from the Liqcreate catalog of premium 3D printing resins is the Premium Flex resin for LCD/MSLA and DLP 3D printing. The Premium Flex photopolymer resin produces parts that are extremely flexible, elastic and soft to the touch.

Video 1: Flexible parts 3D printed with the Premium Flex resin. Source: Liqcreate.

The Premium Flex resin has a stunning translucent turquoise blue color and it is characterized by great printability. Thanks to the wide range of compatible light sources (385-420 nm), it can be used on many open source MSLA/LCD and DLP 3D printers by brands like Uniz, Anycubic, Creality or Phrozen. The full list of compatible printers is available here.

A flexible model 3D printed with the Premium Flex resin

Image 1: A flexible model 3D printed with the Premium Flex resin. Source: Liqcreate.

Flexible resins are by nature a bit more challenging to work with. This is why it is recommended to consult the Liqcreate guide to 3D printing with their flexible resins. The guide, available on the Liqcreate support page, provides tips on how to orient the part, what support settings to use, and how to avoid stickiness while in the post-processing of the part.

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

General information
Manufacturer	Liqcreate
Material	Photopolymer
Format	0.25 kg / 1 kg
Technology	SLA / LED-LCD / DLP
Wavelength	385 - 405 nm
Viscosity	@ 25 ºC: 700 cP
Density (liquid)	1.18 g/cm³

Mechanical properties
Izod impact strength	- KJ/m²
Charpy impact strength	- KJ/m²
Elongation at break	(ASTM D638M) 50 - 80 %
Tensile strength	(ASTM D638M) 1.7 MPa
Tensile modulus	- MPa
Flexural strength	- MPa
Flexural modulus	- MPa
Surface hardness	(ASTM D2240) Shore 63 D

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

Thermal properties
Softening temperature	- ºC

Specific properties
Maximum water absorption	(D570-98) 1.6 %

Other
HS Code	2916.1
Lifetime (since manufacturing)	- M

In order to ensure resin longevity and successful 3D prints, it is advised to store the Premium Flex resin 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) and then 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.

As far as the post-processing of the Premium Flex resin, a few simple steps must be followed. 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. On the Liqcreate website the user can also find a guide on how to process flexible 3D printing resins.