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VytaFlex™ 50

Ecoflex™ 00-20 vs. VytaFlex™ 50

Urethane Mold Rubber For Perfect Concrete Castings

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Ecoflex™ 00-20

Ecoflex™ 00-20 vs. VytaFlex™ 50VytaFlex™ 50

Super-Soft, Addition Cure Silicone Rubber

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Key Differences

Product Type
  • Urethane Rubber
  • Silicone Rubber - Platinum Cure
  • Skin Safe FX Materials
Mixed Viscosity2,000 cps3,000 cps
Pot Life60 minutes30 minutes
Cure Time16 hours4 hours
Shore A Hardness5000-20
ColorOff-WhiteTranslucent
Tensile Strength588 psi160 psi
Elongation @ Break400 %845 %
100% Modulus215 psi8 psi
Disclaimer
Although we do our best to ensure accuracy, Smooth-On offers no warranties, promises, and/or representations of any kind, either expressed or implied, as to the accuracy, completeness, or reliability of the information contained on this Compare Tool, nor suitability of the information contained herein to your particular circumstances. Smooth-On assumes no liability for losses or damages of whatever nature (direct, indirect, consequential or other) associated with your use, or inability to use, the Compare Tool, or from your use (or failure to use) the information contained herein. Other useful tools include product technical bulletins and our extensive FAQ section. You can also contact our technical support team.

All Technical Data

VytaFlex™ 50Ecoflex™ 00-20
Product Type
  • Urethane Rubber
  • Silicone Rubber - Platinum Cure
  • Skin Safe FX Materials
Mixed Viscosity2,000 cps3,000 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B1A:1B
Pot Life60 minutes30 minutes
Cure Time16 hours4 hours
Shore A Hardness5000-20
Specific Gravity1.04 g/cc1.07 g/cc
Specific Volume26.7 cu. in./lb.26.0 cu. in./lb.
ColorOff-WhiteTranslucent
Die B Tear Strength30 pli
Die C Tear Strength102 pli
Tensile Strength588 psi160 psi
Elongation @ Break400 %845 %
100% Modulus215 psi8 psi
Shrinkage<.001 in. / in.<.001 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F

Product Description

VytaFlex™ 50

Using Smooth-On’s exclusive “V-Polymer™” technology, VytaFlex™ urethane rubbers offer superior physical and performance properties for casting concrete. VytaFlex™ urethanes are available in 10A, 20A, 30A, 40A,  45A, 50A and 60A Shore hardness’s and feature convenient one-to-one by volume mix ratios.

Vacuum degassing is not necessary and VytaFlex™ rubbers cure with negligible shrinkage to a durable rubber that will last in production.

VytaFlex™ mold rubbers work especially well for casting pigmented / colored concrete. Molds made with VytaFlex™ Series urethanes will render accurate and uniform colored castings.

FOR COMMERCIAL/INDUSTRIAL USE ONLY

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Ecoflex™ 00-20

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. 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.

Certified Skin Safe - Cured Ecoflex™ 00-20 is skin safe and certified by an independent laboratory.

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