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 Rubber

Easy to use and exhibiting good wear resistance they can be poured, brushed on or sprayed onto prepared surfaces and cure with negligible shrinkage. They are economical, reproduce exceptional detail and are best suited for production casting of concrete, gypsum and wax.
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  1. Brush-On® 35 ›

    Brush-On® 35

    Smooth-On’s Brush-On® Series of mold rubbers are extremely versatile and are famous for their abrasion resistance and high tear strength

    Starting at: $25.96

    Learn More 
  2. Brush-On® 40 ›

    Brush-On® 40

    Smooth-On’s Brush-On® Series of mold rubbers are extremely versatile and are famous for their abrasion resistance and high tear strength.

    Starting at: $25.96

    Learn More 
  3. Brush-On® 50 ›

    Brush-On® 50

    Smooth-On’s Brush-On® Series of mold rubbers are extremely versatile and are famous for their abrasion resistance and high tear strength.

    Starting at: $25.96

    Learn More 
  4. Brush-On® 60 ›

    Brush-On® 60

    Smooth-On’s Brush-On® Series of mold rubbers are extremely versatile and are famous for their abrasion resistance and high tear strength.

    Starting at: $25.96

    Learn More 
  5. Clear Flex 30™ - 1 Gallon Unit ›

    Clear Flex 30™ - 1 Gallon Unit

    Optically Clear UV Resistant Urethane Rubber - Shore A 30 Hardness. 1A:1B By Volume - No Scale Necessary
  6. Clear Flex™ 50 - 1 Gallon Unit ›

    Clear Flex™ 50 - 1 Gallon Unit

    Optically Clear UV Resistant Urethane Rubber - Shore A 50 Hardness. 1A:2B By Weight - Scale Necessary.
  7. Clear Flex™ 95 - 1 Gallon Unit ›

    Clear Flex™ 95 - 1 Gallon Unit

    Optically Clear UV Resistant Urethane Rubber - Shore A 95 Hardness. 1A:1.5B By Weight - Scale Necessary.
  8. Econ® 60 ›

    Econ® 60

    Economical Shore 60A urethane rubber suitable for a variety of mold making and industrial applications.

    Starting at: $25.96

    Learn More 
  9. Econ® 80 ›

    Econ® 80

    Econ® 80 is an economical Shore 80A urethane rubber suitable for a variety of mold making and industrial applications.

    Starting at: $25.96

    Learn More 
  10. EZ-Mix® 40 ›

    EZ-Mix® 40

    EZ-MIX® 40 is a brushable polyurethane rubber mold compound that mixes and applies easily.

    Starting at: $25.96

    Learn More 
  11. EZ-Spray® 45 ›

    EZ-Spray® 45

    EZ~Spray® 45 is a polyurethane rubber for spraying through the EZ~Spray® Junior Cartridge System.
  12. PMC®-121 30/DRY ›

    PMC®-121 30/DRY

    The PMC®-121 Series urethane rubbers feature convenient one-to-one by volume mix ratios.

    Starting at: $25.96

    Learn More 

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