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Rigid 4000 Resin - FormLabs

Ref.: RS-RPS-RGWH-01

795.00 €

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Approximate delivery date: Wednesday 23 October - Monday 28 October

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The Engineering Resins from FormLabs are a set of resins developed to solve the most complex engineering challenges thanks to the wide variety of functional materials. In addition, these materials help reduce costs and create high-quality prototypes and final parts quickly. One of the resins in this family is the Rigid 4000 resin.

FormLabs Engineering Resins

Image 1: FormLabs Engineering Resins. Source: FormLabs.

The Rigid 4000 resin is ideal for 3D printing thermally and chemically resistant engineering parts that can withstand minimal bending: turbines and fan blades, guides, jigs and fixtures, fluid and airflow components, covers for electrical devices, or covers for devices in automobiles, among others.

The Rigid 4000 resin is a resin highly reinforced with glass, giving it high rigidity and a completely smooth or polished finish. It is also resistant to temporary deformation and allows the printing of parts with thin yet strong walls.

This resin is comparable to other glass-fibre-reinforced thermoplastics. Compared to parts printed with other FormLabs materials, parts printed with the Rigid 4000 resin resist mechanical stress for a longer period of time.

Thin and strong-walled part.

Image 2: Thin and strong-walled part. Source: FormLabs.

The Rigid 4000 resin supports 100 and 50 micron print resolutions, achieving an extremely high surface finish and level of detail in the parts. Thus, the Rigid family of resins are highly useful materials in a wide variety of sectors and applications due to their mechanical properties. Thanks to the Rigid resin family and the other FormLabs engineering resins, it is possible to reduce costs and create high-quality prototypes and final parts quickly.

General information
Manufacturer	FormLabs
Material	Photopolymer
Format	1 L / 5 L
Technology	SLA / LFS
Wavelength	UV 405
Compatible resin tanks	Form 2 LT, Form 3/3B V2/V2.1, Form 3L/3BL V1/V2/V3, Form 4
Compatible 3D printers	Form 2 / Form 3/3+/3B/3B+/3L/3BL, Form 4/4B

Printing properties
Layer height	0.1 - 0.05 µm
Layer exposure time	-
Layer off time	-
Bottom layer exposure	-
Bottom layer count	-

Curing and washing properties
Washing time	(FormWash) 15 min
Curing time	(FormCure) 15 min
Curing temperature	80 ºC

Mechanical properties (uncured / cured)
Izod impact strength	(ASTM D256-10) 2.3 KJ/m²
Charpy impact strength	- KJ/m²
Elongation at break	(ASTM D638) 5.3 %
Tensile strength	(ASTM D638) 69 MPa
Tensile modulus	(ASTM D638) 4100 MPa
Flexural strength	(ASTM D790) 105 MPa
Flexural modulus	(ASTM D790) 3400 MPa
Surface hardness	-

Thermal properties (uncured / cured)
Softening temperature	(ASTM D 648-16) 77 ºC

Other
HS Code	2916.1
Lifetime (since manufacturing)	24 M

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.