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Ecoflex 00-35 Fast

Smooth-On Ecoflex 00-35 FAST is a soft, fast cure platinum-catalyzed silicone that is versatile and easy to use. Low viscosity ensures easy mixing and pouring. Rubber cures without "tacky" surface, is very soft, very strong and very "stretchy, stretching many times its original size.

Will cure against the skin and can be used for life casting applications to make rubber molds that cure quickly and are good for casting wax, resins, etc. Also can be used for a variety of skin safe applications including making fast skin safe appliances for special effects and cosplay, cushioning for orthopedic and orthotic devices worn on the body and much  

Certified Skin Safe - Skin safe and certified by an independent laboratory.

Shore Hardness 00-35
Mixed: 1A:1B by weight or volume.

Pot Life: 2.5 minutes
Cure Time: 5 minutes
Color: Off-white

Rubber cures at room temperature (73 F/23 C) with negligible shrinkage.

$35.00 /Each.
In Stock
Select Options:
Ecoflex 00-30
Qty:

Ecoflex rubbers can be color pigmented with Silc Pig™ pigments for creating a variety of color effects. You can also add Smooth-On’s Silicone Thinner™ to further lower the viscosity. THI-VEX™ silicone thickener can be added by weight to Ecoflex™ silicones for brushable applications.

Ecoflex rubbers are suitable for a variety of applications including making prosthetic appliances, cushioning for orthotics and special effects applications (especially in animatronics where repetitive motion is required).

Although not usually necessary, a release agent will make demolding easier when pouring into or over most surfaces. Ease Release™ 200 is a proven release agent for use with silicone rubber.


This moldmaking video shows the process of molding an actual trout for taxidermy or propmaking purposes.  The materials used are Ecoflex® 00-35 silicone

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