Formlabs Formlabs Tough 1000 Resin (Form 4) 5 L

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Tough 1000 Resin is a significant advancement in durability and performance, combining high-density polyethylene (HDPE) with exceptional wear and fatigue resistance. It offers 180% elongation at break (EAB) and a Gardner impact strength of 128 in-lb, making it ideal for flexible components that withstand deformation without cracking. With a fracture toughness of 3,200 J/m² and a Ross flex fatigue rating over 100,000 cycles at 23 °C, it's reliable for various applications. Its matte, dark grey finish is perfect for low-friction surfaces, and it utilizes advanced technology from Form 4 Series printers for improved resistance to temperature changes and aging.

  • Exceptional Strength and Flexibility
  • High Fracture Toughness
  • Advanced Surface Finish
  • Enhanced Durability
  • Designed for Performance
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Formlabs Form 4 Tough 1000 Resin V1

Unmatched Durability for Industrial Applications

Elevate your 3D printing capabilities with Formlabs Form 4 Tough 1000 Resin V1, engineered for the most demanding industrial applications. This advanced resin combines the strength of high-density polyethylene (HDPE) with superior wear and fatigue resistance, ensuring your parts perform under pressure.

Key Features of the Formlabs Form 4 Tough 1000 Resin V1:

  • With an impressive 180% elongation at break (EAB) and a Gardner impact strength of 128 in-lb, this resin is perfect for parts that need to bend without breaking.
  • Benefit from a work of fracture of 3,200 J/m² and a Ross flex fatigue rating exceeding 100,000 cycles at 23 °C, ensuring long-lasting reliability.
  • The matte, dark grey finish offers a smooth, low-friction surface ideal for applications requiring minimal surface resistance.
  • Experience 5 times higher fracture toughness with improved resistance to temperature fluctuations and aging, thanks to cutting-edge technology from Form 4 Series printers.
  • Specifically formulated for industrial use, this resin ensures your parts maintain integrity even in challenging environments.
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Engineered for Resilience

The Formlabs Form 4 Tough 1000 Resin V1 delivers unparalleled strength and flexibility, making it ideal for industrial applications that demand durability and resilience akin to high-density polyethylene (HDPE).

  • Designed to handle repeated flexing, this resin is perfect for compliant mechanisms and assemblies.
  • Ideal for impact-resistant jigs and fixtures that endure extensive use on the production floor.
  • Withstands significant stress with a work of fracture of 3,200 J/m² and a Ross flex fatigue rating of over 100,000 cycles at 23 °C.

Reliable Under Stress

The Formlabs Form 4 Tough 1000 Resin V1 boasts exceptional resilience, achieving a Ross flex fatigue rating of over 100,000 cycles at 23 °C with a 30-degree deflection at 1 Hz, ensuring long-lasting performance even under continuous flexing conditions.

  • Designed to withstand continuous bending, ensuring durability in demanding applications.
  • Maintains structural integrity and functionality even after extensive use, thanks to its high cycle endurance.
  • Excels in environments requiring repetitive motion and flexing, making it ideal for dynamic components.

Engineered for Extremes

The Formlabs Form 4 Tough 1000 Resin V1 is engineered for industrial robustness, ensuring parts maintain their structural integrity even in the most challenging environments.

  • Its advanced formulation offers exceptional physical and chemical resilience, making it a top choice for demanding applications.
  • Exhibits minimal weight gain in harsh chemicals like bleach and saltwater, ensuring stability and longevity.
  • Safe for use in various industrial settings, enhancing safety with its non-flammable liquid state.
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Physical and Chemical Properties

Physical State Liquid
Color Black
Odor Characteristic acrylate
Boiling point/range >100°C
Flash point >93.5°C
Flammability (solid, gaseous)

Not flammable

Density 1.01 g/cm3
Dynamic Viscosity 4030 cP (25°C), 1960 cP (35°C)

CHEMICAL COMPATIBILITY

Percent weight gain over 24 hours for a printed and cured 1 x 1 x 1 cm cube immersed in the respective solvent.

Solvent 24 hr weight gain, % Solvent 24 Hr Weight Gain, %
Acetic Acid (5%) 0.2 Isooctane (aka gasoline) 39.8
Acetone 30.4 Mineral Oil (Light) 0.0
Isopropyl Alcohol 6.9 Mineral Oil (Heavy) 0.1
Bleach ~5% NaOCl 0.0 Salt Water (3.5% NaCl) 0.2
Butyl Acetate 38.9 Sodium Hydroxide Solution (0.025% pH = 10) 0.2
Diesel Fuel 0.7 Water 0.0
Diethyl Glycol Monomethyl Ether 6.9 Xylene 62.7
Hydraulic Oil 0.1 Strong Acid (HCl conc) 7.3
Skydrol 5 5.0 TPM 7.0
Hydrogen Peroxide (3%) 0.2 - -

Chemical Compatibility (ASTM D543)

Relative Modulus

Solvent 1 Day 1 Week
IPA 52% 34%
Acetone 47% 87%
NaOH (0.025% pH=10) 94% 101%
HCl (10%) 97% 105%
DI Water 91% 105%
H2O2 (3%) 91% 100%
Bleach (~5% NaOCl) 88% 100%
Diesel 83% 68%
Motor Oil 91% 99%
Skydrol 5 65% 46%

Relative Strength

Solvent 1 Day 1 Week
IPA 66% 56%
Acetone 53% 92%
NaOH (0.025% pH=10) 102% 108%
HCl (10%) 92% 106%
DI Water 94% 102%
H2O2 (3%) 95% 102%
Bleach (~5% NaOCl) 89% 93%
Diesel 86% 88%
Motor Oil 98% 107%
Skydrol 5 68% 47%

Relative Elongation

Solvent 1 Day 1 Week
IPA 109% 140%
Acetone 99% 138%
NaOH (0.025% pH=10) 87% 117%
HCl (10%) 94% 111%
DI Water 94% 118%
H2O2 (3%) 96% 117%
Bleach (~5% NaOCl) 87% 80%
Diesel 95% 141%
Motor Oil 103% 133%
Skydrol 5 91% 97%

Relative Mass

Solvent 1 Day 1 Week
IPA 111% 130%
Acetone 144% 142%
NaOH (0.025% pH=10) 100% 100%
HCl (10%) 100% 100%
DI Water 100% 100%
H2O2 (3%) 100% 101%
Bleach (~5% NaOCl) 100% 100%
Diesel 103% 108%
Motor Oil 100% 100%
Skydrol 5 107% 116%

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Technical Specifications

Material Properties Metric¹ Imperial¹ Method
Green² | Post Cured³ Green² | Post Cured³
Tensile Properties Metric¹ Imperial¹ Method
Ultimate Tensile Strength 23.7 MPa | 26.3 MPa 3440 psi | 3810 psi ASTM D638-14
Tensile Modulus 844 MPa | 932 MPa 122 ksi | 135 ksi ASTM D638-14
Tensile Strength at Yield 18.6 MPa | 21.4 MPa 2700 psi | 3100 psi ASTM D638-14
Elongation at Yield 4.8% | 5.0% 4.8% | 5.0 % ASTM D638-14
Elongation at Break 217% | 180% 217% | 180% ASTM D638-14
Flexural Properties Metric¹ Imperial¹ Method
Flexural Strength 22.6 MPa | 29.0 MPa 3280 psi | 4210 psi ASTM D790-17
Flexural Modulus 595 MPa | 761 MPa 86.3 ksi | 110 ksi ASTM D790-17
Toughness Properties Metric¹ Imperial¹ Method
Notched Izod 69 J/m | 72 J/m 1.3 ft-lb/in | 1.3 ft-lb/in ASTM D256-10
Unnotched Izod No Break | No Break No Break | No Break ASTM D4812-11
Notched Charpy 7.6 kJ/m² | 9.0 kJ/m² 3.6 ft-lb/in² | 4.3 ft-lb/in² ISO 179-1
Unnotched Charpy No Break | 180 kJ/m² No Break | 85.6 ft-lb/in² ISO 179-1
Gardner Impact Strength at 1/32” (0.79 mm) thickness 13.1 J | 13.1 J 116 in-lb | 116 in-lb ASTM D5420-21
Gardner Impact Strength at 1/16” (1.6 mm) thickness 14.0 J | 14.5 J 124 in-lb | 128 in-lb ASTM D5420-21
Ross Flex Fatigue >100,000 cycles | >100,000 cycles >100,000 cycles | >100,000 cycles Internal (23 °C, 30 Degree deflection at 1 Hz)
Fracture Properties Metric¹ Imperial¹ Method
Maximum Stress Intensity Factor (Kmax) Not Tested | 1.94 MPa-m¹/² Not Tested | 1770 psi-in¹/² ASTM D5045-14
Work of Fracture (Wf) Not Tested | 3200 J/m² Not Tested | 219 ft-lb/ft² ASTM D5045-14
Material Properties Metric¹ Imperial¹ Method
Green² | Post-Cured³ Green² | Post-Cured³
Thermal Properties Metric¹ Imperial¹ Method
Heat Deflection Temp. @ 1.8 MPa 40.4 °C | 44.6 °C 104.7 °F | 112.3 °F ASTM D648-16
Heat Deflection Temp. @ 0.45 MPa 49.7 °C | 55.3 °C 121.5 °F | 131.5 °F ASTM D648-16
Thermal Expansion (0-150 °C) 161.6 μm/m/°C | 168.2 μm/m/°C 89.8 μin/in/°F | 93.4 μin/in/°F ASTM E 831-19
Flammability Not Tested | HB Not Tested | HB UL 94
Electric Properties Metric¹ Method
Post-Cured³
Dielectric Strength 15.1 kV/mm ASTM D149-20
Dielectric Constant (50 Hz) 0.014 ASTM D150 (50 Hz)
Dielectric Constant (1 kHz) 0.013 ASTM D150 (1 kHz)
Dissipation Factor (50 Hz) 3.70 ASTM D150 (50 Hz)
Dissipation Factor (1 kHz) 3.59 ASTM D150 (1 kHz)
Volume Resistivity 4 * 1015 Ω-cm ASTM D257-14
Electric Properties Metric¹ Method
Shore D Hardness 56D | 68D ASTM D2240
Bulk Density 1.07 g/mL ASTM D792-20
Viscosity at 25 °C 4030 cP ASTM D792-20
Liquid Density 1.01 g/mL ASTM D792-20

Please note the following:

  • ¹: Material properties can vary with part geometry, print orientation, print settings, and temperature.
  • ²: Data was obtained from parts printed on a Form 4 printer with 100um Tough 1000 Resin settings, washed in a Form Wash V2 for 10+10 minutes in >= 99% Isopropyl Alcohol.
  • ³:Data was obtained from parts printed on a Form 4 printer with 100μm Tough 1000 Resin settings, washed in a Form Wash V2 for 10+10 minutes in ≥ 99% Isopropyl Alcohol, and post-cured at 70 °C for 12 minutes in a Form Cure V2.

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