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Ecoflex™ 5

EpoxAcoat™ RED vs. Ecoflex™ 5 vs. TASK™ 14

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 14

EpoxAcoat™ RED vs. Ecoflex™ 5 vs. TASK™ 14Ecoflex™ 5

Semi-Rigid Black Urethane Casting Resin

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Epoxy Casting and Laminating Resins
  • Epoxy and Urethane Coatings
Mixed Viscosity13,000 cps800 cpsLight Paste
Mix Ratio By Volume1A:1BN/A (gram scale required)5A:1B
Pot Life1 minute10 minutes20 minutes
Cure Time5 minutes45 minutes16 hours
Barcol 935 Hardness87
Shore D Hardness5085
Shore A Hardness5
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.19.4 cu. in./lb.
ColorTranslucentBlackRed
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™ 14EpoxAcoat™ RED
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Epoxy Casting and Laminating Resins
  • Epoxy and Urethane Coatings
Mixed Viscosity13,000 cps800 cpsLight Paste
Mix Ratio By Volume1A:1B5A:1B
Mix Ratio By Weight1A:1B100A:120B100A:15B
Pot Life1 minute10 minutes20 minutes
Thin Film Working Time40 minutes
Thin Film Recoat Time60 minutes
Tack Free Time4 hours
Cure Time5 minutes45 minutes16 hours
Barcol 935 Hardness87
Shore D Hardness5085
Shore A Hardness5
Specific Gravity1.07 g/cc1.15 g/cc1.43 g/cc
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.19.4 cu. in./lb.
ColorTranslucentBlackRed
Die B Tear Strength75 pli
Tensile Strength350 psi1,800 psi
Ultimate Tensile26,000 psi
Elongation @ Break1,000 %125 %
100% Modulus15 psi
Compressive Strength24,000 psi
Flexural Strength30,000 psi
Shrinkage<.001 in. / in.0.0035 in. / in.0.00015 in. / in.
Heat Deflection Temp133 °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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EpoxAcoat™ RED

EpoxAcoat™ RED, EpoxAcoat™ GREY and EpoxAcoat™ WHITE are thixotropic epoxy gel coats which are widely used for hand laminating and tooling applications. They are tough and strong surface coat resins which cure at room temperature and offer exceptional abrasion resistance. For high temperature applications (to 284°F / 140°C) use EpoxAcoat HT™ (see separate technical bulletin).

EpoxAcoat™ RED, EpoxAcoat™ GREY and EpoxAcoat™ WHITE are easy to use, wet out well over a variety of surfaces and will coat vertical surfaces without sagging. After the epoxy becomes “tacky-hard” at room temperature, fiberglass cloth is laminated behind the surface coat using Free Form™ AIR putty or EpoxAmite™ Laminating Epoxy to produce strong, lightweight tools that have excellent dimensional stability and surface finish. Cured surface machines precisely without chipping. Applications include precision tooling, master and pattern making, core boxes and fixtures.

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