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Ecoflex™ 5

Ecoflex™ 5 vs. TASK™ 5 vs. TASK™ 14

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 14

Ecoflex™ 5 vs. TASK™ 5 vs. TASK™ 14Ecoflex™ 5

Semi-Rigid Black Urethane Casting Resin

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TASK™ 5

Ecoflex™ 5 vs. TASK™ 5 vs. TASK™ 14Ecoflex™ 5 versus TASK™ 14

Low Cost, High Performance

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Urethane Resins
Mixed Viscosity13,000 cps800 cps600 cps
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute10 minutes3 minutes
Cure Time5 minutes45 minutes15 minutes
Shore D Hardness5077
Shore A Hardness5
ColorTranslucentBlackTan
Tensile Strength350 psi1,800 psi4,530 psi
Elongation @ Break1,000 %125 %5 %
Disclaimer
Although we do our best to ensure the accuracy of this Compare Tool, Smooth-On offers no warranty either expressed or implied as to the reliability of the information contained herein. Smooth-On assumes no liability for loss or damage associated with use of the Compare Tool. If this is a critical project, we encourage you to review all of the technical data below and contact our Technical Service department with any questions or concerns.

All Technical Data

Ecoflex™ 5TASK™ 14TASK™ 5
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Urethane Resins
Mixed Viscosity13,000 cps800 cps600 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:120B1A:1B
Pot Life1 minute10 minutes3 minutes
Cure Time5 minutes45 minutes15 minutes
Shore D Hardness5077
Shore A Hardness5
Specific Gravity1.07 g/cc1.15 g/cc1.1 g/cc
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.25.2 cu. in./lb.
ColorTranslucentBlackTan
Die B Tear Strength75 pli
Tensile Strength350 psi1,800 psi4,530 psi
Tensile Modulus200,000 psi
Elongation @ Break1,000 %125 %5 %
100% Modulus15 psi
Compressive Strength6,700 psi
Compressive Modulus83,000 psi
Flexural Strength6,480 psi
Flexural Modulus216,000 psi
Shrinkage<.001 in. / in.0.0035 in. / in.0.007 in. / in.
Heat Deflection Temp145 °F
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F

Product Description

Ecoflex™ 5

Ecoflex™ rubbers are platinum-catalyzed silicones that are versatile and easy to use. Ecoflex™ rubbers are mixed 1A:1B by weight or volume and cured at room temperature with negligible shrinkage.  Low viscosity ensures easy mixing and de-airing. Dispense using our convenient dispensing cartridges. Cured rubber is very soft, very strong and very “stretchy”, stretching many times its original size without tearing and will rebound to its original form without distortion.

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TASK™ 14

TASK™ 14 is a fast setting two-component urethane that cures quickly to black semi-rigid plastic. TASK™ 14 offers a longer pot life (10 minutes) and demold time of 45 minutes.

With a Shore value of 50D, these semi-rigid plastics are used for a variety of industrial applications including fast mold making, fast model duplication, prototyping, durable miniatures, black props and special effects, or making parts that are impact resistant. Fully cured castings are tough, durable and chemical resistant.

For Best Results… Do not cast TASK™ 14 into platinum cure (addition cure) silicone molds.

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TASK™ 5

TASK™ 5 is a low cost, high performance casting resin, which yields castings that are tan and virtually bubble free. This resins offers superior physical and performance properties compared to our popular Smooth-Cast™ Series of general purpose casting resins. Vacuum degassing is not necessary and it offers the convenience of a 1A:1B by volume or weight mix ratio.

TASK™ 5 has a high tensile and flexural strength, as well as high flexural modulus. This plastic was formulated for a variety of industrial applications including pattern making and making prototype models. This resins was designed for casting in thicknesses up to ½” (1.27 cm).

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Silicone Rubber - Tin Cure ›

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