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Ecoflex™ 5

Ecoflex™ 5 vs. TASK™ 14 vs. MT-13®

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 14

Ecoflex™ 5 vs. TASK™ 14 vs. MT-13®Ecoflex™ 5

Semi-Rigid Black Urethane Casting Resin

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MT-13®

Ecoflex™ 5 vs. TASK™ 14 vs. MT-13®Ecoflex™ 5 versus TASK™ 14

Premium Epoxy Adhesive

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Adhesives
Mixed Viscosity13,000 cps800 cpsLight Paste
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute10 minutes35 minutes
Cure Time5 minutes45 minutes16 hours
Barcol 935 Hardness72
Shore D Hardness50
Shore A Hardness5
Specific Gravity1.07 g/cc1.15 g/cc1.37 g/cc
ColorTranslucentBlackWhite
Tensile Strength350 psi1,800 psi4,300 psi
Elongation @ Break1,000 %125 %0.8 %
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™ 14MT-13®
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Adhesives
Mixed Viscosity13,000 cps800 cpsLight Paste
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:120B100A:123B
Pot Life1 minute10 minutes35 minutes
Cure Time5 minutes45 minutes16 hours
Barcol 935 Hardness72
Shore D Hardness50
Shore A Hardness5
Specific Gravity1.07 g/cc1.15 g/cc1.37 g/cc
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.
ColorTranslucentBlackWhite
Die B Tear Strength75 pli
Tensile Strength350 psi1,800 psi4,300 psi
Tensile Modulus285,000 psi
Elongation @ Break1,000 %125 %0.8 %
100% Modulus15 psi
Compressive Strength8,700 psi
Compressive Modulus165,000 psi
Shrinkage<.001 in. / in.0.0035 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F
Sag Resistance1/16 in.

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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MT-13®

Smooth-On MT-13® is a premium performance epoxy for applications requiring maximum holding power and water resistance. MT-13® is a two component epoxy adhesive cement which is mixed in equal parts by volume (100A/123B by weight) Pot Life is 35 minutes and handling strength develops in 16 hours at 73° F / 23° C. MT-13® adheres extremely well to both porous and non-porous surfaces. MT-13® is widely used by the boating industry for assembly and general repair. MT-13® also maintains holding power under extreme cold conditions.

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