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. ReoFlex® 30 ›

    ReoFlex® 30

    ReoFlex® urethane rubbers offer superior physical and performance properties for production casting of wax, plasters, and resins.

    Starting at: $27.78

    Learn More 
  2. ReoFlex® 20 ›

    ReoFlex® 20

    ReoFlex® mold rubbers are used for a variety of applications including making molds to reproduce sculpture and architectural elements, as well as for making special effects, toys and prototypes.

    Starting at: $27.78

    Learn More 
  3. PMC™-770 ›

    PMC™-770

    PMC®-770 is a Shore 70A addition to our line of industrial liquid rubber products (such as PMC®-780 and PMC®-790) used for a variety industrial and casting applications.

    Starting at: $34.08

    Learn More 
  4. PMC™-744 ›

    PMC™-744

    PMC®-744 has been used for years by mold making professionals to cast plaster, concrete, resins, etc. It is excellent for making molds that are strong, durable and dimensionally stable. Low viscosity ensures fine detail reproduction.

    Starting at: $34.08

    Learn More 
  5. PMC™-724 ›

    PMC™-724

    Used by artists and industry the world over for a variety of design, casting and special effects applications, PMC®-724 is by far the most versatile urethane rubber compound available on the market today.

    Starting at: $15.87

    Learn More 
  6. PMC®-790 ›

    PMC®-790

    PMC®-790 is a Shore 90A industrial urethane rubber compound designed to meet the most stringent requirements of industrial production applications. It is a very hard rubber that offers superior tear and tensile strength as well as impact and abrasion resistance.

    Starting at: $34.08

    Learn More 
  7. PMC®-780 WET ›

    PMC®-780 WET

    PMC-780 is a premium performance urethane rubber that offers exceptional strength, durability and abrasion resistance.

    Starting at: $34.08

    Learn More 
  8. PMC®-780 DRY ›

    PMC®-780 DRY

    PMC-780 is a premium performance urethane rubber that offers exceptional strength, durability and abrasion resistance.

    Starting at: $34.08

    Learn More 
  9. PMC®-746 ›

    PMC®-746

    PMC®-746 was developed to make molds for casting gypsum plasters. This product is well suited for use as a rubber case mold – especially large case molds where extra rigidity is required.

    Starting at: $34.08

    Learn More 
  10. PMC®-121 50/WET ›

    PMC®-121 50/WET

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

    Starting at: $27.78

    Learn More 
  11. PMC®-121 30/WET ›

    PMC®-121 30/WET

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

    Starting at: $27.78

    Learn More 
  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: $27.78

    Learn More 

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