Liqcreate Liqcreate Resin for LCD & DLP 3D Printers - Flame Retardant HDT (250g)

Liqcreate Flame Retardant HDT is a heat-resistant 3D-printing resin compatible with various 3D printers, including DLP, LCD/MSLA, and laser-based systems. It boasts a high deflection temperature of up to 257°C and meets UL94 V0 fire safety standards. It's suitable for use in car interiors, railway, aviation, and electronics, as well as tooling and manufacturing aids. However, it strongly adheres to build plates.

  • Exceptional heat resistance up to 257C (495F)
  • Compatible with various 3D printers
  • Meets UL94 V0 fire safety standards
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Liqcreate Flame Retardant HDT is an off-white photopolymer 3D-printing resin designed for high-temperature applications, with an impressive High Deflection Temperature (HDT-B) of up to 257°C (495°F). This versatile resin can be used with a wide range of 3D printers, including DLP, LCD/MSLA, and laser-based systems. It offers exceptional fire safety as it self-extinguishes, meeting UL94 V0 standards at 3 mm thickness, making it an ideal choice for parts in car interiors, railway, aviation, and electronics. Additionally, it's well-suited for tooling, manufacturing aids, connector housings, and covers, but it's important to note that it has strong adhesion to build plates.

Here are the key features of Liqcreate Flame Retardant HDT Resin

  • High-Temperature Performance: Liqcreate Flame Retardant HDT offers exceptional heat resistance with an HDT-B of up to 257°C (495°F).

  • Wide 3D Printer Compatibility: This resin can be used with various 3D printers, including DLP, LCD/MSLA, and laser-based systems, ensuring versatility.

  • UL94 V0 Fire Safety: It self-extinguishes and meets UL94 V0 standards at 3 mm thickness, making it suitable for fire-safe applications.

  • Diverse Application: Ideal for parts in car interiors, railway, aviation, electronics, as well as tooling, manufacturing aids, connector housings, and covers.

  • Strong Build Plate Adhesion: Note the resin's strong adhesion to build plates, requiring careful handling during the printing process.


Liqcreate Flame Retardant HDT is an off-white photopolymer 3D-printing resin, compatible with most open resin-based 3D printers. Engineered to withstand high temperatures with an impressive HDT-B of up to 257°C (495°F), it possesses self-extinguishing properties, ensuring safety in the face of fire hazards. This material is an ideal choice for producing parts that must meet UL94 V0 test standards, including applications in car interiors, railway, aircraft, and electronics. Furthermore, it excels in tooling, manufacturing aids, and the production of connector housings and covers.

Property Test Method UV Curing 60 min at 60°C UV Curing 120 min at 60°C
Tensile Strength D638 41 MPa 43 MPa
Tensile Modulus D638 4.2 GPa 4.2 GPa
Elongation at Break D638 1 - 3% 1 - 3%
Flexural Strength D790 73 MPa 67 MPa
Flexural Modulus D790 4.3 GPa 4.4 GPa
IZOD Impact (notched) D256A 13 J/m 13 J/m
IZOD Impact (notched) ISO 180 1.74 kJ/m2 1.85 kJ/m2
Water Sorption D570-98 0.41% 0.41%
Shore D Hardness D2240 88 89
HDT-B 0.45 MPa ISO75 237°C / 459°F 257°C / 495°F
HDT-A 1.8 MPa ISO75 137°C / 279°F 145°C / 293°F
Degradation Temperature Internal Method > 250°C / 482°F > 250°C / 482°F
Flammability UL94 V0 3.0 mm 3.0 mm
FAR 25.853 - Appendix F, Part I (a) (1) (ii) 12 seconds Vertical Burn Internal Method 1.5 mm 1.5 mm

[1] Post-cured 60 minutes and 120 minutes with high-power LED curing at 60°C in the Wicked Engineering curebox. Values and material properties may vary and depend on individual machine processing, part geometry, print orientation, print settings, and post-curing settings. [2] Discoloration Above 200°C.


  • Appearance: White liquid
  • Viscosity: 2800 mPa.s at 25°C
  • Density: 1.12 g/cm3
  • Ec (405nm): 6.25 mJ/cm2
  • Dp (405nm): 0.234 mm
  • Ec (385nm): 3.11 mJ/cm2
  • Dp (385nm): 0.095 mm

Liqcreate Flame Retardant HDT Resin Processing Instructions

  1. Caution: Strong Adhesion to Platform – Raft Settings

    • Liqcreate Flame Retardant HDT resin strongly adheres to metal build plates. To ensure easy removal of the raft from the platform, adjust the support settings for this resin. It's recommended to remove the part from the supports while it's still on the platform to prevent breakage. Avoid printing parts directly on the platform, as the first layers may break upon removal.
  2. Shake Before Use

    • Prior to printing, shake Liqcreate Flame Retardant HDT for a few minutes, especially after extended storage, to achieve a uniform mixture. Let the resin rest for a few minutes after shaking to allow air bubbles to settle. Printing immediately after shaking may result in air bubbles in the first layers.
  3. 3D-Printing Parameters

    • Liqcreate Flame Retardant HDT is designed for compatibility with 405nm and 385nm DLP, MSLA, LCD, and laser-based resin 3D printers. Ensure that your 3D printer is open for 3rd party resins and that parameters can be adjusted. Refer to available parameters for your specific printer, and if they are not available, contact our technical team at for assistance.
  4. Support Settings

    • Adjust support settings to accommodate the strong adhesion of Flame Retardant HDT resin to metal build plates. Remove the part from the supports while it's still on the platform to avoid damage. It is not advisable to print parts directly on the platform, as this may result in the first layers breaking upon removal. Support settings vary based on the resin type, printer, release mechanism, bottom material of the resin tank, and other secondary settings. Settings are available for some generic printers, but individual adjustments may be necessary.
  5. Cleaning, Washing, and Post-Curing Your Part

    • Clean your 3D-printed parts by washing them in IPA, ethanol, or Liqcreate resin cleaner. It's recommended to use a separate cleaning bucket for Flame Retardant HDT printed parts to prevent settling of resin components on other resin parts. Follow the cleaning instructions for your chosen cleaning solvent. For IPA and ethanol, use a separate bucket in an ultrasonic cleaner or a cleaner with agitation. After washing, inspect and ensure the part is dry and free from solvent. If necessary, use a soft brush to clean small cavities and rinse in fresh solvent. Post-cure parts for 60 minutes at 60°C for high HDT (HDT-B of 237°C / 459°F) or 120 minutes at 60°C for extreme temperature resistance (HDT-B of 257°C / 495°F).
  6. Discoloration of Parts After Curing or Extended UV-Aging

    • Post-cured Flame Retardant HDT parts may appear off-white, which is normal and differs from their initial white appearance. This change in color is expected.
  7. How to Clean / Filter the Resin

    • To prevent damage to your printer components, filter the resin if cured resin parts are present. Use a standard resin filter to remove rigid plastic pieces from the resin.
  8. Minimum Wall Thickness

    • The recommended minimum wall thickness for Liqcreate Flame Retardant HDT is 2mm, but finer details can be printed in local areas. Larger thin walls may require extra support structures.
  9. Part Orientation and Overhang

    • Avoid printing large and relatively flat parts on supports. Printing at an angle yields better quality. Part orientation can affect print quality significantly.
  10. Part Surface Finish or Sticky Surface

    • Printed parts from Liqcreate Flame Retardant HDT are initially opaque and shiny. After washing and drying, they will appear matte or dull. You can polish or coat the parts to achieve a glossy surface finish. In some cases, crevices and sharp corners may exhibit a white deposition after washing; replacing the cleaning solvent or washing with a soft brush can help remove this deposition.
  11. Resin Temperature

    • It is advised to print with Liqcreate Flame Retardant HDT resin at 20°C / 68°F and a maximum of 25°C / 77°F. Printing at lower temperatures can lead to random material failure, while excessive heating can accelerate resin de-mixing and is not recommended.
  12. Storage Conditions

    • Store the product in its original bottle, plug, and cap at a minimum of 5°C / 41°F and a maximum of 30°C / 86°F. Avoid exposure to sources of heat, radiation, static electricity, sunlight, and contact with food.

3D Printer Compatibility

The Liqcreate Flame Retardant HDT resin is compatible with a wide range of 3D printers, and is designed to be compatible with all open-source MSLA, SLA, and DLP printers in the 385-420 nm wavelength. This material has been validated on the following Printers:

  • Nexa3D XiP (Open License)
  • W2P SolFlex 150
  • W2P SolFlex 163
  • W2P SolFlex 170
  • W2P SolFlex 250
  • W2P SolFlex 350
  • W2P SolFlex 650
  • Shining3D AccuFab-L4K
  • Asiga Max UV
  • Asiga Pro 4K
  • Anycubic Photon Mono
  • Anycubic Photon Mono SE
  • Anycubic Photon Mono X
  • Anycubic Photon M3
  • Anycubic Photon M3 Plus
  • Anycubic Photon D2
  • Peopoly Phenom Prime
  • Creality Halot-One
  • Elegoo Mars 2
  • Elegoo Mars 2 Pro
  • Elegoo Mars 3
  • Elegoo Saturn
  • Elegoo Saturn S
  • Phrozen Sonic Mini 4K
  • Phrozen Sonic Mini 8K
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