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.

Polymer Modifiers for Concrete and Gypsum

Forton® 774 is the world-wide standard concrete additive for making lightweight GFRC panels. It is recognized by the PCI as the only polymer supported with a 20 year durability study. Matrix-C® polymer additive is a less expensive version. Alpha gypsum additives make gypsum far stronger and more weather resistant. Forton® and Matrix products are a lower cost alternative to resins. You can cast solid or make lightweight architectural and sculpture castings by reinforcing with glass fiber that are suitable for outdoor display. A variety of casting effects are possible including marble, metal, stone and more.
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  1. duoMatrix-C - 5 Gallon Unit ›

    duoMatrix-C - 5 Gallon Unit

    Polymer additive for concrete.
    $212.80
    Learn More ›

  2. duoMatrix-G - 1 Gallon Unit ›

    duoMatrix-G - 1 Gallon Unit

    Polymer modified additive for gypsum. Must be used with an alpha gypsum such as FGR 95.
    $79.00
    Learn More ›

  3. duoMatrix® NEO ›

    duoMatrix® NEO

    duoMatrix® NEO is a versatile polymer modified gypsum system that has superior physical and performance properties compared to regular gypsum products. Part A is powder and Part B is liquid. The mix ratio of NEO is a convenient 2A:1B by volume.

    Starting at: $39.35

    Learn More ›

  4. Forton® MG Sculptor Kit ›

    Forton® MG Sculptor Kit

    Includes 5-gallon of VF-812 (Forton® MG), resin and hardener.
    $192.59
    Learn More ›

  5. Forton® MG Starter Kit ›

    Forton® MG Starter Kit

    Gallon unit of all materials needed to cast glass fiber reinforced gypsum (Forton® MG)
    $73.85
    Learn More ›

  6. Forton® VF-774 5-Gallon Pail ›

    Forton® VF-774 5-Gallon Pail

    Forton® VF-774 is an all acrylic additive specifically formulated for the GFRC production process
    $140.70
    Learn More ›

  7. Matrix® Chopped Glass ›

    Matrix® Chopped Glass

    With the addition of glass fibers in the form of fiberglass matting or chopped fibers, duoMatrix-G® , C® and NEO® can be "laid up" to make elements that are thin, lightweight and exceptionally strong

    Starting at: $18.00

    Learn More ›

7 Item(s)

per page

Set Descending Direction