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Ecoflex™ 5

Ecoflex™ 5 vs. TASK™ 14 vs. Soma Foama® 25

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 14

Ecoflex™ 5 vs. TASK™ 14 vs. Soma Foama® 25Ecoflex™ 5

Semi-Rigid Black Urethane Casting Resin

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Mix and Pour Expanding Foams
  • Skin Safe FX Materials
Mixed Viscosity13,000 cps800 cps10,000 cps
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute10 minutes90 seconds
Cure Time5 minutes45 minutes1 hour
Shore D Hardness50
Shore A Hardness5
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.69 cu. in./lb.
ColorTranslucentBlackWhite
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™ 14Soma Foama® 25
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Mix and Pour Expanding Foams
  • Skin Safe FX Materials
Mixed Viscosity13,000 cps800 cps10,000 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:120B1A:1B
Pot Life1 minute10 minutes90 seconds
Handling Time20 minutes
Cure Time5 minutes45 minutes1 hour
Shore D Hardness50
Shore A Hardness5
Expansion (approximate)2-3 times
Foam Density25 lb/ft³
Specific Gravity1.07 g/cc1.15 g/cc0.40 g/cc
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.69 cu. in./lb.
ColorTranslucentBlackWhite
Die B Tear Strength75 pli
Tensile Strength350 psi1,800 psi
Elongation @ Break1,000 %125 %
100% Modulus15 psi
Shrinkage<.001 in. / in.0.0035 in. / in.
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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Soma Foama® 25

Soma Foama® is a soft, two-component platinum silicone flexible foam that is versatile and easy to use. Soma Foama® 25 is a higher density foam vs. original Soma Foama® 15 which expands 2-3 times its original volume and develops a uniform 25 lb./cu. ft. cell structure (400 kg/m³). Vibrant colors can be achieved by adding Silc-Pig® silicone color pigments. Cured foam is high heat resistance (will resist up to 350°F/176°C), water resistant, UV resistant and resists oxidation and ozone degradation.

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Mix and Pour Expanding Foams ›

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Lifecasting Materials ›

Skin Safe FX Materials ›

Polymer Modifiers for Concrete and Gypsum ›