Engineering Series


Available on backorder
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Wavelength: 385 – 405 nm

Formfutura Heavy Duty Resin is an engineering type of photopolymer resin that is specifically developed to work with all open source SLA, DLP, and LCD 3D Printers in the range of 385 – 405nm. Our Heavy Duty Engineering resin combines an impressive flexural strength with high-temperature resistance and durability.

Key features

  • Flexural strength of 135 MPa
  • Stiff and durable
  • High heat resistance of 128°C
  • High dimensional accuracy and low shrinkage
  • Almost odorless processing
  • Compatible with all open-source SLA, DLP, and LCD 3D printers in the range of 385 – 405nm


  • Tooling
  • Jigs and fixtures
  • Manufacturing aids
  • Mold masters for low volume injection molding
  • Functional prototyping

Resin properties (uncured liquid)

  • Viscosity: 550 cps at 25°C
  • Density: 1.12 g/cm2

Mechanical properties

Test method on post cured objects through 10 minutes high power mercury curing.

Properties Typical Value Test Method
Glass transition temperature (Tg) 128°C ASTM D7028
Water absorption 0.45% ASTM D570-98
Impact strength (IZOD notched) 20 J/m ASTM D256A
Tensile strength 91 MPa ASTM D638M
Tensile Modulus 2500 MPa ASTM D638M
Elongation at break 8% ASTM D638M
Flexural Strength 135 MPa ASTM D790M
Flexural Modulus 3250 MPa ASTM D2240
Shore D Hardness 87 ASTM D2240

Please note that the above-displayed values can vary with individual machine processing, post-curing parts,  geometry, print orientation, print settings, and temperature.

Preparation(s) before starting to print

  • Shake the bottle for at least 2 minutes before each use
  • After shaking the bottle, leave the resin to rest for 10 minutes to let air bubbles get out of the resin
    • The resin can be poured back from the vat into the bottle once your print is finished
  • Always use protective measurements like safety glasses and nitrile gloves when handling resins


We do advise you to post-process your 3D print in order to achieve the material properties.

  • Rinse your 3D printed object in IPA or (Bio)Ethanol for approximately 5 minutes
    • An ultrasonic cleaner is preferred/recommended
  • Make sure that IPA and/or (Bio)Ethanol rinsed objects are perfectly dry before further post-curing.
  • Place the rinsed parts in a well-ventilated area for at least 30 minutes, or use pressurized air for at least 2 minutes
  • Cure your object in a high power curing chamber for approximately 20-30 minutes at 65° C
  • The preferred curing wavelength is between 300-410nm


Please always be aware that when 3D printing with resins that you are working with chemicals and that you should always be cautious and use the personal protective equipment as stipulated in our safety data sheets.

  • Always wear Respiratory Protection when sanding/cutting the resin object
  • Always use nitrile gloves when handling resins and uncured resin objects

Product export information

HS Code: 2916140090 Description: Resin for 3D Printing Country of origin: the Netherlands
Additional information
Weight N/A
Dimensions N/A

500 g

FormFutura Colors

Heavy Duty, Tough

SLA Materials


SLA tips


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