Biomed Resin - FormLabs

Formlabs

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Biocompatible resins for short and long-term applications for tools and end uses.

The BioMed resins by FormLabs were designed for the manufacturing of biocompatible medical grade materials. The applications of the BioMed resins range from prototypes to end-use devices, such as pieces that are in contact with patients’ skin and mucous membrane. BioMed resins comply with ISO 13485 and the ISO standard for biocompatibility.

Apart from the Biomed Clear and Biomed Amber resins, the BioMed family includes the Biomed White Resin and the Biomed Black resin. BioMed White is a rigid opaque white medical resin and the BioMed Black resin is a rigid matte black medical resin. Both resins were designed biocompatible applications. They are certified to be used for 3D printing pieces that require long term contact with skin or short term contact with mucus membrane. Both resins were ested for pyrogenicity and Acute Systemic toxicity (USP 151), which makes them safe to use in the vicinity of tissue, bone and dentine (short term uses).

The BioMed White and Black resin by FormLabsThe BioMed White and Black resin by FormLabs

Image 1: The BioMed White and Black resin by FormLabs. Source: FormLabs.

Apart from complying with the ISO 13485 standard and ISO standards for biocompatibility, the BioMed White and Black resins are also USP Class VI certified, which means they are suitable for pharmaceutical and drug delivery applications.

Pieces 3D printed with the FormLabs BioMed White and Black resin can be safely disinfected and sterilized, as they are compatible with many common solvents and disinfectants.

Parts 3D printed with the BioMed White and Black resinParts 3D printed with the BioMed White and Black resin

Image 2: Parts 3D printed with the BioMed White and Black resin. Source: FormLabs.

All these features make the FormLabs BioMed White and Black resin ideal for the 3D printing of complex geometries and precise models. The BioMed White and Black resin has versatile applications in the biomedical industry, such as:

  • Custom implant sizing models and molds (BioMed White).
  • Cutting and drilling guides (BioMed White).
  • Biocompatible surgical molds, templates and accessories (BioMed White).
  • Anatomical models suitable for use in the OR (BioMed White).
  • Medical devices and device components (BioMed Black).
  • Biocompatible molds, jigs, and fixtures (BioMed Black).
  • End-use parts requiring patient contact (BioMed Black).
  • Consumer goods (BioMed Black).

Bone models and tools 3D printed with the BioMed White and Black resinBone models and tools 3D printed with the BioMed White and Black resin

Image 3: Bone models and tools 3D printed with the BioMed White and Black resin. Source: FormLabs.

It should be kept in mind that material properties of the BioMed White and Black resin may differ depending on part design, print orientation, print settings, temperature and disinfection/sterilization practices. The biocompatibility and performance of 3D printed parts should be determined for each application and use. Recommended printing settings, precautions and post processing tips can be consulted in the Downloads section of the product, in the technical datasheet and the instructions documents.

Elongation at break (%) 10
Tensile strength (MPa) 35
Tensile modulus (MPa) 1523
Flexural strength (MPa) 57
Flexural modulus (MPa) 1668
Surface hardness 8
Medical use Medical use

In order to ensure a successful 3D printing process and a correct result, the following usage tips must be followed with FormLabs resins:

Cartridge change

In order to replace the resin cartridge, the top cap of the vent should be closed, and the cartridge should be removed using the handle. Then the new cartridge is inserted and the vent should be opened if a 3D printing process is planned. To avoid staining the 3D printer with resin, this process should always be carried out with the resin tank mounted.

Ventilation cap on the FormLabs cartridges

Image 1: Ventilation cap on the FormLabs cartridges. Source: FormLabs.

Once the 3D printing process is terminated, the top cap must be closed in order to preserve the properties of the resin. If the printer is not used for some time, the cartridge should be stored in its original box to keep the properties of the resin from degrading.

Resin tank and printer compatibility

The BioMed White and BioMed Black resins are compatible with the Form 2, Form 3B/3B+ and Form 3BL printers.

Each resin should be used with the appropriate resin tank. Each tank should be changed after using 2L of resin. The resin tanks compatible with the BiomMed White and BioMed Black resins are the Form 2 Standard resin tank, the Form 2 LT resin tank, and the Form 3 resin tanks.

Proper storage of resin tanks

Image 2: Proper storage of resin tanks. Source: FormLabs.

To protect and properly store the resin after each printing, a lid should be placed on the tank to ensure a perfect closure. Then, the tank should be stored in the original box to avoid exposure to UV light. The tank should not be cleaned with isopropyl alcohol, otherwise the tank will lose its qualities and cause continuous failed impressions.

Resin contamination

There may be leftovers from the previous 3D printing process left in the resin tank. This is why it is recommended to remove leftovers from the tank by using a spatula at an angle of 45 º.

Video 1: The cleaning of a resin tank. Source: FormLabs.

To further ensure that the resin has no contaminants, the resin can be sifted through a piece of paper of 190 µm and then poured back into the tank.

Isopropyl alcohol

Isopropyl alcohol (IPA), used in the washing and post-processing of 3D printed parts, should be changed regularly. In case of using the FormLabs Finish Kit, the IPA should be changed when it is so saturated with resin particles, that 3D printed pieces are still sticky after washing. When that happens, all the liquid should be removed, the container should be cleaned and new IPA should be added. New IPA should never be added to old IPA.

The Form Wash automated washing center by FormLabs indicates when it is time to replace the isopropyl alcohol.

The Form Wash automated washing center by FormLabs

Image 3: The Form Wash automated washing center by FormLabs. Source: FormLabs

We offer SLA 3D printing training courses (online or in person). Contact us through the contact form to request more information. The training is oriented at those who are interested in learning how to use the 3D SLA FormLabs printers.

General information
Manufacturer FormLabs (Massachusetts, USA)
Technology  SLA / LFS
Material Photopolymer
Wavelength UV 405 nm
Format 1 liter
Compatible 3D printers Form 2, Form 3B/3B+Form 3BL
Compatible resin tanks Form 2 StandardForm 2 LTForm 3
Print setting
Layer height 100 microns 
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) 5 min / IPA
Curing time (FormCure) BioMed White: 60 min / 60 ºC
BioMed Black: 60 min / 70 ºC
Mechanical properties (without curing / with curing)
Izod impact strength (ASTM 4812-11) BioMed White: 15.11 J/m (notched), 269.03 J/m (unnotched)
BioMed Black: 24.77 J/m (notched), 348.03 J/m (unnotched)
Charpy impact strength -
Elongation at break (ASTM D 638-14) BioMed White: 10 %
BioMed Black: 14 %
Tensile strength (ASTM D 638-14) BioMed White: 45.78 MPa
BioMed Black: 35.71 MPa
Tensile Modulus (ASTM D 638-14) BioMed White: 2020.16 MPa
BioMed Black: 1523.74 MPa
Flexural strength (ASTM D 790-15) BioMed White: 74.46 MPa
BioMed Black: 57.16 MPa
Flexural modulus  (ASTM D 790-15) BioMed White: 2020.16 MPa
BioMed Black: 1668.53 MPa
Surface hardness (ASTM D2240-15) BioMed White: Shore 80 D
BioMed Black: Shore 77 D
Thermal properties (without curing / with curing)
Softening temperature -
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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