Material Calculator

This calculator will estimate the amount of material for making a pour mold of a simple cubic model. Click here for detailed Material Estimators and Advanced Calculators ›

Cubic Dimension of Model:
in × in × in
Cubic Dimension of Mold Box:
in × in × in
Specific Volume of the Material: in3/lb
This mold will require approximately  lbs () of material.

This calculator will estimate the amount of casting material for a simple cubic part. Click here for detailed Material Estimators and Advanced Calculators ›

Cubic Dimension of Mold Cavity:
in × in × in
Specific Volume of the Material: in3/lb
This casting will require approximately  lbs () of material.
Please note: We do our best to ensure that this material estimator is accurate. However, Smooth-On offers no warranty either expressed or implied regarding the accuracy/reliability of this information. Smooth-On assumes no liability for loss or damage associated with use of material estimators. If this is a critical project, we encourage you to verify estimator results using the long-hand method of correlating the volumetric yield of the material with mold cavity. You can also contact us for assistance.

Silicone Rubber - Platinum Cure

Also known as addition-cure silicone, platinums exhibit the lowest long-term shrinkage and have the longest library life of all mold rubbers (with a price tag to match). While good for making molds for casting a variety of materials, platinums also have application and physical properties that other rubbers do not. As a result, they are used for other applications. For example, some are certified "skin safe" and can be applied directly to human skin. They are also used for making prosthetic and orthotic devices, skin safe appliances and effects, etc. Some are certified "food safe" for culinary applications.
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  1. Ecoflex™ 00-20 ›

    Ecoflex™ 00-20

    Ecoflex™ rubbers are platinum-catalyzed silicones that are versatile and easy to use.

    Starting at: $32.21

    Learn More 
  2. Ecoflex™ 00-30 ›

    Ecoflex™ 00-30

    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.

    Starting at: $25.36

    Learn More 
  3. Ecoflex™ 00-35 ›

    Ecoflex™ 00-35

    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.

    Starting at: $32.21

    Learn More 
  4. Ecoflex™ 00-50 ›

    Ecoflex™ 00-50

    Ecoflex™ rubbers are platinum-catalyzed silicones that are versatile and easy to use.

    Starting at: $25.36

    Learn More 
  5. Ecoflex™ 5 ›

    Ecoflex™ 5

    Ecoflex™ rubbers are platinum-catalyzed silicones that are versatile and easy to use.

    Starting at: $25.36

    Learn More 
  6. Ecoflex™ GEL ›

    Ecoflex™ GEL

    Ecoflex™ GEL is an extremely soft, platinum silicone rubber gel specifically designed for creating silicone makeup appliances, for cushioning, creating gaskets, encapsulation, and other applications requiring a very soft silicone material.

    Starting at: $32.21

    Learn More 
  7. Equinox® 35 FAST ›

    Equinox® 35 FAST

    Equinox® Silicone Putty Products are new silicone compounds (platinum catalyst) that can be easily mixed and applied by hand to a variety of surfaces.

    Starting at: $42.49

    Learn More 
  8. Equinox® 38 MEDIUM ›

    Equinox® 38 MEDIUM

    Equinox® Silicone Putty Products are new silicone compounds (platinum catalyst) that can be easily mixed and applied by hand to a variety of surfaces.

    Starting at: $42.49

    Learn More 
  9. Equinox® 40 SLOW ›

    Equinox® 40 SLOW

    Equinox® Silicone Putty Products are new silicone compounds (platinum catalyst) that can be easily mixed and applied by hand to a variety of surfaces.

    Starting at: $42.49

    Learn More 
  10. EZ-Brush™ Vac Bag Silicone ›

    EZ-Brush™ Vac Bag Silicone

    EZ-Brush™ Vac Bag Silicone is a brushable platinum cure silicone developed especially for making high performance, reusable vacuum bags.

    Starting at: $35.95

    Learn More 
  11. EZ-Spray® Silicone 20 ›

    EZ-Spray® Silicone 20

    Sprayable silicone rubber

    Starting at: $274.70

    Learn More 
  12. EZ-Spray® Silicone 22 ›

    EZ-Spray® Silicone 22

    Sprayable silicone rubber

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