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.

Urethane Resins and Coatings

A wide variety of liquid plastic casting resins & coatings used for hundreds of different applications. Good for industrial, art-related and hobbyist projects, they are available as rigids or semi-rigids. These plastics are used for making detailed models & prototypes, props and industrial parts. Colors and/or fillers can be added for an infinite variety of casting effects.
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  1. EZ-Spray® Plastic ›

    EZ-Spray® Plastic

    EZ~Spray® Plastic is an improved version of our original sprayable polyurethane plastic compound.
  2. EZ-Spray® Styrocoat® ›

    EZ-Spray® Styrocoat®

    StyroCoat® Plastic is a flame rated (E-84) sprayable polyurethane plastic formulated to economically coat a variety of surfaces.
  3. Feather Lite® ›

    Feather Lite®

    Feather Lite® is a heavily filled low-density urethane casting resin. Cured plastic is lightweight (it floats in water!) and has a much lower density than other casting resins.

    Starting at: $25.96

    Learn More 
  4. Plasti-Paste® ›

    Plasti-Paste®

    Plasti-Paste® is a two component fiber resin that is designed for vertical surface application. Part A is a liquid and Part B is a paste.

    Starting at: $33.32

    Learn More 
  5. Plasti-Paste® II ›

    Plasti-Paste® II

    New Plasti-Paste® II is a two component fiber-filled resin that is designed for vertical surface application.

    Starting at: $33.86

    Learn More 
  6. Shell Shock® FAST ›

    Shell Shock® FAST

    Shell Shock® FAST is a thixotropic plastic that self thickens when mixed and can be brushed onto a variety of surfaces or into rubber molds.

    Starting at: $31.85

    Learn More 
  7. Shell Shock® SLOW ›

    Shell Shock® SLOW

    Shell Shock® SLOW is a thixotropic plastic that self thickens when mixed and can be brushed onto a variety of surfaces or into rubber molds.

    Starting at: $31.85

    Learn More 
  8. Simpact® 60A ›

    Simpact® 60A

    Simpact® 60A urethane is a low odor, fast-setting urethane elastomers which offers very high tear strength, impact resistance and wear resistance.

    Starting at: $24.21

    Learn More 
  9. Simpact® 85A ›

    Simpact® 85A

    Simpact® 85A urethane is a low odor, fast-setting urethane elastomers which offers very high tear strength, impact resistance and wear resistance.

    Starting at: $23.09

    Learn More 
  10. SMASH! Plastic - 1 Gallon Unit ›

    SMASH! Plastic - 1 Gallon Unit

    "Breakaway Glass" Style Optically Clear Liquid Plastic. 1A:1B By Volume Mix Ratio - No Scale Required.
  11. Smooth-Cast® 300 ›

    Smooth-Cast® 300

    The Smooth Cast® 300 Series of liquid plastics are ultra-low viscosity casting resins that yield castings that are bright white and virtually bubble free.

    Starting at: $25.96

    Learn More 
  12. Smooth-Cast® 300Q ›

    Smooth-Cast® 300Q

    The Smooth Cast® 300 Series of liquid plastics are ultra-low viscosity casting resins that yield castings that are bright white and virtually bubble free.

    Starting at: $25.96

    Learn More 

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