Formlabs Formlabs Tough 1500 Resin - 1L

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Formlabs Tough 1500 Resin is a unique, and highly functional material. This resilient resin is certified skin safe, durable, flexible, and offers a balance of stiffness and shock absorption.

  • Ideal for parts that need to bend and quickly return to shape
  • Certified safe for skin contact, perfect for wearables
  • Easy integration into various manufacturing processes

Please Note: 5L bottles of resin require the Formlabs Resin Pump to work.

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Tough 1500 Resin by Formlabs

Elevate the durability and flexibility of your prototypes and end-use parts with Formlabs' Tough 1500 Resin. This resilient material is expertly formulated for applications that demand both stiffness and the ability to absorb impact without permanent deformation, making it an ideal choice for engineering challenges that require robust yet adaptable solutions.

Here are some top features of Formlabs Tough 1500 Resin: 

  • Optimized Flexibility & Strength: Perfect for parts that must bend and spring back quickly, combining high resilience with stiffness.
  • Certified Biocompatibility: Safe for skin contact, making it suitable for wearable technology, personal protective equipment, and consumer goods.
  • Wide Printer Compatibility: Designed for seamless use with a range of Formlabs SLA printers, ensuring versatile application across various projects.
  • Please note: 5L bottles of resin require the Formlabs Resin Pump


Why Choose Formlabs Tough 1500 Resin?

Tough 1500 offers a unique combination of stiffness and pliability, absorbing shocks and supporting repeated deflection without permanent deformation. This makes it great for: 

  • Prototypes that repeatedly bend and quickly return to shape
  • Jigs and fixtures requiring repeated deflection
  • Wearables, personal protective equipment, and other consumer goods
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Thermoformed Braces

Formlabs Tough 1500 Resin Applications

Formlabs Tough 1500 Resin is great for parts that need pliability, fast springback, and stiffness - here are some examples:   

  • Snap-fit components, hinges, and connectors
  • Jigs & fixtures that require repeated deflection and durability
  • Wearable devices, sports equipment, and personal protective equipment
  • Polypropylene-like components

Post-Processing Tough 1500

Form Wash Settings: 10 minutes + 10 minutes in IPA - Wash Tough 1500 Resin parts in two cycles using fresh solvent for thorough cleaning, and if intended for skin contact, use ≥99% IPA for 20 minutes, considering part design and ambient conditions for drying. 

Form Cure Settings: 60 minutes @ 70 °C - Post-curing engineering-focused resins, including Tough 1500, at 70 °C for 60 minutes maximizes mechanical properties and is required for skin-contact parts.

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Technical Specifications for Formlabs Tough 1500 Resins: 

Please Note: 5L bottles of resin require the Formlabs Resin Pump to work.

Printer Compatibility:

  • Form 2
  • Form 3
  • Form 3+
  • Form 3B
  • Form 3B+
  • Form 3L
  • Form 3BL

Resin Tank Compatibility: 

  • 5477
  • 5478
  • 5479
  • 5480
  • 5481
  • 5492

Build Platform Compatibility: 

  • 5482
  • 5491
  • 5483
  • 5484
  • 5503

Material Properties:

  • Type: SLA
  • Application: Engineering
  • Certified Biocompatible - Certified safe for skin contact
  • Print Resolutions: Supports 100 and 50 microns. Post-curing required.
  • Ultimate Tensile Strength: 33 MPa
  • Tensile Modulus: 1.5 GPa
  • Elongation: 51%
  • Flexural Modulus: 1.4 GPa
  • Notched Izod: 67 J/m
  • Heat Deflection Temp @ 0.45 MPa: 52 ºC
  • Material properties may vary based on part geometry, print orientation, print settings, and temperature

Technical Data Sheets: 


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