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Mold Making Equipment

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  1. General Purpose Vibrating Table

    General Purpose Vibrating Table

    Price: $99.95

    Small vibrating table from Whip Mix large enough to de-air up to a quart container. Learn More
  2. ArtMolds Vacuum Chamber

    Vacuum Chamber

    Price: $174.95

    The ArtMolds Vacuum Chamber is designed for deairing (eliminating air bubbles) in appropriate pot life resins and silicones. Vacuum Chamber with vacuum pump combination only $299.95 Learn More
  3. Heavy Duty Vibrating Table

    Heavy Duty Vibrating Table

    Price: $299.99

    Heavy Duty Vibrating Table This lager table top vibrating table from Whip Mix is wide enough to de-air up to a face casting and multiple smaller molds Learn More
  4.  Vacuum Chamber with Vacuum Pump - 4-gal. vacuum chamber for deir airing molds and bubble free castings

    Vacuum Chamber with Pump

    Price: $299.95

    4-Gal. Vacuum Chamber with 1.5 CFM Vacuum Pump Learn More
  5. USG Two-Stage 3CFM Vacuum Pump

    USG Two-Stage 3CFM Vacuum Pump

    Price: $219.95

    2-stage, High performance with a deeper vacuum down to 25 Microns. Works nicely with ArtMolds Vacuum Chamber. Learn More
  6. Vacuum Pump - Robinair 6 CFM

    Vacuum Pump - Robinair 6 CFM

    Price: $419.95

    Robinair Model 15600 Vacuum Pump 6 CFM. Use with ArtMolds' Vacuum Chamber for rapid pulling of 29-inches of mercury Learn More
  7.  Compressed Air Vacuum Pump

    Compressed Air Vacuum Pump

    Price: $19.95

    Venturi-type vacuum pump provides a budget companion for your ArtMolds Vacuum Chamber Learn More
  8. Pressure Pot for Resin Casting

    Pressure Pot for Resin Casting

    Price: $199.99

    The Pressure Pot is designed for assuring bubble free and air-trap free castings Learn More
  9. Digital Gram Scale

    Digital Gram Scale

    Price: $24.95

    Gram scale with 11-pound capacity and an LCD display. Great for measuring your casting and molding materials. Learn More
  10. RotoKinetic Vacuum Chambers

    RotoKinetic Vacuum Chambers

    Starting at: $299.95

    3 Sizes of Vacuum Chambers each with built in solid state vacuum pump when attached to compressed air supply. Learn More

EnvironMolds offers an extensive line of affordable mold making and casting equipment to perfect your molds and castings. For bubble free molds and casting please consider your three options, 1) vibrating tables, 2) pressure pots; and 3) vacuum chambers.

A vibrating table lowers the coefficient of friction allowing air bubbles to rise to the surface.. Though not perfect, it provides a significant improvement over simply pouring in your material and waiting for it to set.

There is often confusion in choosing the later two methods - vacuum chambers and pressure pots. You would use a pressure chamber (pot) if your mold or casting material sets to a rigid non-flexible form. That is because a pressure chamber squeezes air bubbles to microscopic sizes, but  as soon as the rubber leaves the pressurized vessel, the air bubbles will regain their original size because the material that it contains it is stretchable.

Therefore, only a vacuum chamber should be used to eliminate air bubbles in rubbers.