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.

PMC®-121 30/DRY

The PMC®-121 Series urethane rubbers feature convenient one-to-one by volume mix ratios. PMC®-121/30 Dry is exceptionally strong and abrasion resistant for soft urethane mold rubbers. It does not exude oil and can be used for casting waxes, Smooth-On liquid plastics, gypsum plasters and other materials.

PMC®-121 Series mold rubbers are easy to mix and pour and are exceptionally strong. They are suited for a variety of applications including making molds to reproduce sculpture and architectural elements, as well as for making special effects, toys and prototypes. These rubbers will meet the stringent demands of production casting of wax, plasters, concrete, resins and epoxies. Vibrant colors can be achieved by adding So-Strong® Color Tints, available from Smooth-On.

PMC®-121 30/DRY

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Availability: In stock

Size Price Qty
Trial Unit
Net Wt: 2 lbs
(view image)
$27.78
Gallon Unit
Net Wt: 16 lbs
(view image)
$117.88
For Industrial Use Only.
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