Form 2/Form 3 Standard Resin (FormLabs)


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It produces strong plastic parts that are ideal for a wide variety of applications.

FormLabs is considered the leading company in 3D SLA printing technology thanks to its high quality 3D printers, such as Form 2Form 3 or Form 3L. development, that its resins are at the forefront of the market, both in terms of quality and variety: Standard, Color Base, Dentistry, EngineeringJewelry and Ceramics.

The Standard Resins are the most used to obtain fast prototypes of high quality, comparable to that of a final piece.

Figures printed with FormLabs Standard Resins

Image 1: Figures printed with FormLabs Standard Resins. Source: FormLabs

Within this type of resins there are 4 possible options:

White, Grey and Black

FormLabs Standard Resin

Image 2: FormLabs Standard Resin. Source: FormLabs

White, Grey and Black

This range of colors offers a matt, opaque and precise finish, a finish that every designer, architect or creator wishes to make their prototypes and in a simple and very economical.

FormLabs Standard Resin White, Black and Grey

Image 3: FormLabs Standard Resin Black,Gray and White. Source: FormLabs

The White Resin manages to highlight smooth surfaces and perfect lines, with a warm color with the typical elegant touch of the ivory color.

FormLabs White Standard Resin

Image 4: FormLabs White Standard Resin. Source: FormLabs

The Grey Resin has a completely matte finish that shows all the details perfectly without primer, something really useful as a base to be painted or subjected to any finishing process.

FormLabs Grey Standard Resin

Image 5: FormLabs Grey Standard Resin. Source: FormLabs

And finally, the Black Resin is specially developed for pieces of very small size or with intricate details.

FormLabs Black Standard Resin

Image 6: FormLabs Black Standard Resin. Source: FormLabs

Video 1: Post processed. Source: FormLabs


Many designers and users of all types of 3D printing technologies want or need to make translucent pieces, something very difficult to achieve with 3D FDM printers. The 3D SLA Formlabs printers, combined with the Clear Standard Resin of FormLabs, offers the possibility of creating translucent functional pieces, such as molds that allow to see the correct filling of the material, pieces for optical applications or transparent decoration pieces. To achieve the transparent finish in the pieces, only the piece made with this type of resin should be polished.

FormLabs Clear Standard Resin

Image 7: FormLabs Clear Standard Resin. Source: FormLabs

Another advantage presented by the pieces made with the Standard Resins is that they don't need a post-printing cure. Even so, it's recommended that the parts be washed in the Form Wash and cured in the Form Cureto obtain the maximum mechanical properties and avoid having a sticky feel.

Video 2: Form 2 Ecosystem. Source: FormLabs
Impact strength (KJ/m2) 1.6
Elongation at break (%) 12
Tensile strength (MPa) 65
Tensile modulus (MPa) 2800
Flexural strength (MPa) 65
Flexural modulus (MPa) 2800
Softening temperature (ºC) 73
Translucent Translucent
Sealing Sealing
Hide color variations (Hide color variations)

Below, a series of usage tips are cited that must be taken into account at all times with the use of FormLabs resins:

Change cartridge

Changing the resin cartridge of the FormLabs printers is very simple, just close the top cap of the ventilation duct (vent) and remove the cartridge by holding it by the handle it has. Then the other is inserted and the vent plug is opened in case an impression is to be started. To avoid drips through the 3D printer, this process must always be carried out with the resin tank mounted.

Vent plug FormLabs

Image 1: Vent plug of the FormLabs cartridges. Source: FormLabs

After finishing each impression the vent plug must be closed so that the resin maintains its properties. In addition, if you don't use the printer for some time, you should keep the cartridge in its original box to keep the properties of the resin intact.

Resin tank

Each type of resin must have its resin tank, which must be changed after using 2L of resin. FormLabs has developed a more powerful tank, the Resin Tank LT, which has a life up to 20 times longer than the standard tank.

FormLabs Resin Tank LT

Image 2: FormLabs Resin Tank LT. Source: FormLabs

To protect and store the excess resin in the tank after each printing, FormLabs supplies a lid that ensures a perfect closure. Once the tank is closed, it is recommended to store it (with resin and lid) in the original box so that the resin doesn't lose its properties when exposed to UV rays for a long time. Another point to keep in mind is that the tanks can't be cleaned with any cleaning product or similar (for example, isopopyl alcohol), since they lose certain qualities that can cause continuous failed impressions.

FormLabs Resin Tank

Image 3: FormLabs Resin Tank. Source: FormLabs

Failed printing

When an error occurs in printing may be because solid parts of a previous printing have fallen to the resin tank. In this case, a spatula at 45° must be passed through the printing tank, gathering all the solid parts in a corner and removing them. To ensure that the tank resin doesn't contain any solid parts, the resin should be cast with a 190 μm paper filter. Once cast, it is put back into the tank and it is ready to be used again.

Video 1: Clean resin tank. Source: FormLabs

Isopropyl alcohol

Isopropyl alcohol is the key to the washing and post-processing of parts and you should know when it is time to change it. In the Finish Kit the moment to change it's when the IPA (Isopropyl Alcohol) is so saturated with resin particles, that after washing the pieces are still sticky. At that point you must remove all the liquid, clean the container well and throw new IPA, but never fill in on the previous one.

Finish Kit FormLabs

Image 4: Finish Kit FormLabs. Source: FormLabs

In the Form Wash, the wash center itself indicates through its screen when it is time to change the isopropyl alcohol.

Video 2: FormLabs Ecosystem. Source: FormLabs

If you wish you can contract our SLA 3D printing training courses (online or in person) by contacting us through the contact form. The training is oriented to obtain a wide knowledge and know how to use the 3D SLA FormLabs printers from the beginning and t.hus avoid major errors.

General information
Manufacturer FormLabs (Massachusetts, USA)
Technology SLA / LFS
Material Photopolymer
Wavelength UV 405 nm
Format 1 liter
Color White, gray, black and clear
Compatible 3D printers Form 2, Form 3, Form 3L
Compatible resin tanks Form 2Form 2 LTForm 3
Print settings
Layer height 100-50-25 microns (gray, black, clear)
100-50 microns (white)
Exposure Time It is not necessary to configure the printing parameters in the Formlabs printers. The chip incorporated in the resin cartridges detects the type of material by configuring the printing automatically.
Off time
Lifting height
Bottom exposure
Bottom layers
Curing and washing properties
Washing time FormWash: 10 min 
Manual Finish kit process: 10 + 10 min (Agitated intermediate)
Curing time Recommended: 30 min (gray, black, white), 15 min (clear)
Total cure: 60 min (gray, black, white), 30 min (clear)
Curing temperature 60ºC
Mechanical properties (without curing / with curing)
Izod impact strength 16 J/m / 25 J/m
Charpy impact strength -
Elongation at break  (ASTM D638-10) 12% / 6.2%
Tensile strength (ASTM D638-10) 38 MPa / 65 MPa
Tensile Modulus (ASTM D638-10) 1600 MPa / 2800 MPa
Flexural strength -
Flexural modulus  (ASTM C790-10) 1200 MPa / 2200 MPa
Surface hardness -
Thermal properties (without curing / with curing)
Softening temperature 42.7ºC / 58.4ºC (1.8MPa / 264 psi)
49.7ºC / 73.1ºC (0.45MPa / 66 psi)
Additional Information
Lifetime (since manufacturing) 24 months
HS Code 2916.1

* The typical values detailed 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 results and final properties with own tests. For more information you should consult the technical data sheet of the product.

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