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Tough 1500 Resin - FormLabs

Ref.: RS-RPS-TO15-01

700.00 €

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Approximate delivery date: Wednesday 23 October - Monday 28 October

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The Tough 1500 resin is part of the engineering resins family by FormLabs - a set of resins developed to solve the most complex engineering challenges thanks to the wide variety of functional materials.

Image 1: Tough and Durable Resins by FormLabs. Source: FormLabs

The Tough 1500 resin is the most resilient material within the family of engineering-specific resins by Formlabs, standing out for its ability to recover its original shape after being subjected to bending forces. The Tough 1500 resin has been created as a response to the search for a rigid yet flexible material, resilient and with high impact resistance. When comparing the Tough 1500 resin to the Durable Resin, it shares a number of characteristics:

Properties	Durable Resin V2 Post-cured (60 ºC)	Tough 1500 Post-cured (70 ºC)
Tensile break strength (MPa)	31.8	33
Tensile modulus (GPa)	1.26	1.50
Elongation at break (%)	49.0	51.0
Flexural modulus (GPa)	0.82	1.40
Izod impact resistance (J/m)	109	67
Flexural temperature under load at 1.8 MPa (ºC)	-	45
Flexural temperature under load at 0.45 MPa (ºC)	43.3	52.0

The properties of the Tough 1500 resin are similar to polypropylene (PP), a thermoplastic polymer known for its high impact resistance and stiffness, and is widely used in the industrial sector.

Thanks to its mechanical properties and good print resolution (supporting 100 and 50-micron resolutions), the Tough 1500 resin is suitable for producing rigid parts with high impact resistance that can quickly return to their original state even after repeated use. It is very useful in manufacturing functional prototypes and assemblies, hinges, guides, fixtures, etc.

Image 2: Prototypes made with Tough 1500. Source: FormLabs

Moreover, this resin is certified for safe skin contact under ISO 10993-1:

ISO 10993-5: Non-cytotoxic.
ISO 10993-10: Non-irritant.
ISO 10993-10: Non-sensitiser.

The properties of the Tough 1500 resin and its certification for skin contact make this resin an ideal material for long-term skin contact applications, such as wearables, personal protective equipment, and other consumer goods.

If parts made with Tough 1500 resin need to be certified for skin contact, users must strictly follow the post-processing conditions for the Tough 1500 resin.

Thanks to the Tough 1500 resins and the rest of FormLabs’ engineering resins, costs can be reduced and high-quality prototypes and final parts can be made very 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 V1/V2/V2.1, Form 3L/3BL V1/V2, 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) 10 + 10 min
Curing time	(FormCure) 60 min
Curing temperature	70 ºC

Mechanical properties (uncured / cured)
Izod impact strength	(ASTM D256-10) 6.7 KJ/m²
Charpy impact strength	- KJ/m²
Elongation at break	(ASTM D638) 51 %
Tensile strength	(ASTM D638) 33 MPa
Tensile modulus	(ASTM D638) 1500 MPa
Flexural strength	(ASTM D790) 39 MPa
Flexural modulus	(ASTM D790) 1400 MPa
Surface hardness	-

Thermal properties (uncured / cured)
Softening temperature	(ASTM D 648-16) 52 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.