eSUN eResin Flex - Yellow 0.5 Litre - Cover Expand

eSUN eResin Flex - Yellow 0.5 Litre




Flex your 3D Skills with eSUN Flexible Resins, designed to take advantage of high precision DLP Printing while also offering fun flexible properties.

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The world of DLP / SLA Printing is quite an exciting one, with all kinds of new polymers coming out at a relatively regular pace nowadays, and while this niche of 3D Printing used to be primarily focused purely on quality and printing accuracy for finely detailed models, it has now been extended into new areas of possibility due to the wide range of polymers being introduced to the market. This ensures that DLP & SLA Printing is never boring, as there is always something new for you to try, whether it be a new polymer or just a new way of processing your prints for even better effect, and if you’re in the mood for something new or unique, then we’re quite certain you’re going to be excited for these cool 3D Resins from the master chemists and polymerisation experts over at eSUN.

While a large majority of the 3D Resins on the market typically focus on high precision, low shrinkage and good curing attributes, eSUN Flexible Resins take a different approach, and really stand out from the crowd by offering a unique attribute – the ability to stretch, bend and flex without breaking, tearing or permanently deforming. This makes it quite distinct amidst the slew of Standard Resins that are available to 3D Makers, as it opens up cool new possibilities for 3D Printing your own custom parts like wheels and grabber claws for robotics, springs and scaffolding for mechanical applications, or even entire pressure-based robots that can climb, swim, roll or tumble their way around without any electronics involved. Of course, because these are supplied by eSUN, you can also trust in the quality of these resins, and while the flexible range may not necessarily focus on precision, it certainly does still offer both excellent precision and relatively low shrinkage even without that focus.

In terms of the colour of this resin, it has been polymerised with a low to moderate amount of yellow pigment, and this makes it yellow, but also quite transparent compared to the more pastel-like colours of the eSUN Standard Resin Range. We find this quite fun to experiment with, as you can quite easily make it less transparent by adding internal structures or extra layers when printing models, but we must admit that we’re fond of the transparency and the way that you can see all of the internals moving about as you squish, stretch and even bounce your prints around. So if you’ve been eagerly eyeing out those fun flexible prints that are typically produced with FDM Printers, but are eager to take advantage of flex in high precision DLP Printing, then these bottles of eSUN Flexible Resin are an excellent solution to let you really start “Flexing” your 3D Skills.


eSUN Yellow Flexible eResin  -  Technical Specifications:

  • Brand


  • Resin Type

 Flexible Resin

  • Colour

– Yellow

  • Volume

– 0.5 Litre

  • Curing Wavelength

– 395 to 405nm

  • Solidification Time (Bottom Layers)

– 30 to 50 Seconds (@ 0.05mm Layer Height)

  • Solidification Time (Normal Layers)

– 6 to 10 Seconds (@ 0.05mm Layer Height)

  • Viscosity (mPa-s @ 25°C)

– 1200

  • Density (g/cm3)

– 1.13 to 1.15

  • Expected Shrinkage (%)

– ±6.9

  • Tensile Strength (MPa)

– 6 to 8

  • Flexural Strength (MPa)

– 77

  • Flexural Modulus (MPa)

– 2350

  • Elongation at Break (%)

– 100 to 150

  • Tearing Strength (kN·m-1)

– 390 to 420

  • Hardness (Shore A)

– 85 to 90

  • IZOD Impact Strength (J/m)

– 44

  • Ideal Storage Temperature (°C)

– 18 to 35

  • Resin Container

– Light-Proof Aluminium Bottle


If you want to see some of this flexible filament in action, take a look at the following quick video, and if you listen carefully you can even hear the classic “squish” noise that rubber toys and other flexible items typically make when being compressed or stretched:


eSUN eResin Standard - MSDS

eSUN eResin Standard - Material Safety Datasheet

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eSUN Filament & Resin Spec's

eSUN Filament & Resin Specifications

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eSUN eResin Flex - Yellow 0.5 Litre

eSUN eResin Flex - Yellow 0.5 Litre

Shenzhen eSUN Industrial Co., Ltd was established in 2002 in Shenzhen Special Economic Zone and has rapidly become one of the leading international suppliers of 3D Printing Filament. They specialise in research, development and production of degradable polymer materials, and have grown their catalogue of filaments to include PLA, ABS, PC, PVA, and a wide range of other polymers and copolymers.

Their list of exclusive filament formulas include unique materials like wood, aluminium, bronze and other materials to create highly specialised filaments that can stretch, bend, be moulded or otherwise behave in very unique ways. Their filaments are also commonly characterised by their absolutely round shape, extremely low diameter tolerance, uniform colours and impressively stable melting points. These characteristics, in combination with their long-term insistent policy of “Best Quality, Reasonable Price” has garnered them a large share of the market, with their reputation commonly preceding them within knowledgeable online and offline 3D Printing communities.

eSUN’s popularity in the industry has also helped to produce sustainable partnerships with many internationally famous 3D Printer manufacturers and distributors, with DIYElectronics having sole distributorship rights to provide their 3D Printing Filaments to South Africa and neighbouring African countries.