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.

Sealing & Release Agents

A full line of sealers and release agents that are compatible with Smooth-On rubbers, plastics and foams. Using the right sealer and release agent can be the difference between project success and failure.
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8 Item(s)

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  1. AquaCon® - 1 Gallon Unit ›

    AquaCon® - 1 Gallon Unit

    AquaCon® is a water based concrete release agent that aids in releasing concrete castings from Smooth-On rubber molds and other surfaces such as melamine, metal and non-porous (sealed) wood.
    $24.32
    Learn More ›

  2. Ease Release® 200 ›

    Ease Release® 200

    Ease Release® 200 is an excellent general purpose release agent for making molds and casting parts.

    Starting at: $13.86

    Learn More ›

  3. Ease Release® 205 ›

    Ease Release® 205

    Ease Release® 205 is an excellent general purpose release agent for making molds and casting parts. This product will release urethane rubber, urethane resins, polyester resins, RTV silicones, and thermoplastic polymers. Ease Release® 205 is effective on urethane, silicone and metal molds.

    Starting at: $8.02

    Learn More ›

  4. Ease Release® 2831 ›

    Ease Release® 2831

    Ease Release® 2831 is a wax-based non-silicone release agent. It has proven to be effective when used to release polyurethane foams elastomers.

    Starting at: $17.79

    Learn More ›

  5. One Step® ›

    One Step®

    One Step® is a convenient, economical liquid sealing agent and release agent in one.

    Starting at: $24.26

    Learn More ›

  6. Sonite® Wax ›

    Sonite® Wax

    Sonite® Wax is a soft paste wax suitable for sealing porous surfaces prior to applying Smooth-On mold rubber.

    Starting at: $6.83

    Learn More ›

  7. SuperSeal® ›

    SuperSeal®

    SuperSeal® was developed as an economical, fast-drying sealing agent for a variety of porous surfaces including gypsum plasters, concrete and wood.

    Starting at: $8.02

    Learn More ›

  8. Universal® Mold Release ›

    Universal® Mold Release

    Universal® Mold Release Agent is formulated especially for mold making and casting, and works well with most liquid rubber and liquid plastic products.

    Starting at: $13.94

    Learn More ›

8 Item(s)

per page

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