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Ecoflex™ 5

Ecoflex™ 5 vs. TASK™ 14 vs. EZ-Spray® Silicone 22

Super-Soft, Addition Cure Silicone Rubber

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TASK™ 14

Ecoflex™ 5 vs. TASK™ 14 vs. EZ-Spray® Silicone 22Ecoflex™ 5

Semi-Rigid Black Urethane Casting Resin

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Silicone Rubber - Platinum Cure
Mixed Viscosity13,000 cps800 cps11,000 cps
Mix Ratio By Volume1A:1BN/A (gram scale required)1A:1B
Pot Life1 minute10 minutes5 minutes
Cure Time5 minutes45 minutes45 minutes
Shore D Hardness50
Shore A Hardness522
ColorTranslucentBlackTranslucent Green
Tensile Strength350 psi1,800 psi490 psi
Elongation @ Break1,000 %125 %450 %
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™ 14EZ-Spray® Silicone 22
Product Type
  • Silicone Rubber - Platinum Cure
  • Urethane Resins
  • Silicone Rubber - Platinum Cure
Mixed Viscosity13,000 cps800 cps11,000 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:120B
Pot Life1 minute10 minutes5 minutes
Cure Time5 minutes45 minutes45 minutes
Shore D Hardness50
Shore A Hardness522
Specific Gravity1.07 g/cc1.15 g/cc1.08 g/cc
Specific Volume25.8 cu. in./lb.24.1 cu. in./lb.25.6 cu. in./lb.
ColorTranslucentBlackTranslucent Green
Die B Tear Strength75 pli102 pli
Tensile Strength350 psi1,800 psi490 psi
Elongation @ Break1,000 %125 %450 %
100% Modulus15 psi49 psi
Shrinkage<.001 in. / in.0.0035 in. / in.<.001 in. / in.
Useful Temperature (min)-65 °F-65 °F
Useful Temperature (max)450 °F500 °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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EZ-Spray® Silicone 22

EZ~Spray® Silicone 22 are sprayable silicones which cure quickly to soft rubbers with high elongation and tear strength. Liquid silicone is sprayed through the EZ~Spray® Junior Cartridge System which is an economical alternative to expensive spray equipment. After a suitable thickness is attained, EZ~Spray® Silicone 22 cures in about 45 minutes. EZ~Spray® Silicone cures with negligible shrinkage to strong, durable silicone rubbers good for production casting of polyester, epoxy or urethane resins, gypsum, concrete and other materials.

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