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Ecoflex™ 5

Encapso™ K vs. Ecoflex™ 5

Super-Soft, Addition Cure Silicone Rubber

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Encapso™ K

Encapso™ K vs. Ecoflex™ 5Ecoflex™ 5

Water Clear Encapsulation / Display Rubber

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Key Differences

Mixed Viscosity13,000 cps150 cps
Pot Life1 minute120 minutes
Cure Time5 minutes16 hours
Shore A Hardness533
ColorTranslucentClear
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™ 5Encapso™ K
Product Type
  • Silicone Rubber - Platinum Cure
  • Silicone Rubber - Platinum Cure
Mixed Viscosity13,000 cps150 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B1A:1B
Pot Life1 minute120 minutes
Cure Time5 minutes16 hours
Shore A Hardness533
Specific Gravity1.07 g/cc0.97 g/cc
Specific Volume25.8 cu. in./lb.28.6 cu. in./lb.
ColorTranslucentClear
Die B Tear Strength75 pli
Tensile Strength350 psi
Elongation @ Break1,000 %
100% Modulus15 psi
Shrinkage<.001 in. / in.0.001 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F
Dielectric Constant, 100Hz3.17

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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Encapso™ K

Encapso™ K is a water clear encapsulation rubber that looks just like water and is ideal for a variety of encapsulation and display applications.

How Does Encapso™ K Work? – Two clear liquids (Part A and Part B) are mixed together in equal amounts. The mixture is then poured around artificial flower stems or over an object. Encapso™ K cures to a soft rubber over night depending on casting thickness and conditions. When cured, Encapso™ K looks just like water and will last a long time.

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