{"id":8180,"date":"2020-11-27T19:57:44","date_gmt":"2020-11-27T19:57:44","guid":{"rendered":"https:\/\/resin-expert.com\/?p=8180"},"modified":"2023-04-07T19:00:26","modified_gmt":"2023-04-07T19:00:26","slug":"best-pressure-pot-for-resin-casting","status":"publish","type":"post","link":"https:\/\/resin-expert.com\/en\/guide\/best-pressure-pot-for-resin-casting","title":{"rendered":"Best Pressure Pot for Resin Casting – Complete Buying Guide"},"content":{"rendered":"

When you are involved with resin castings, whatever project it may be, you always want the results to be as perfect as it can be. This means that you try to make sure you end up with a bubble-free final product, leaving you with a crystal-clear casting. Whether you are an expert in this field or just a beginner, everyone is faced with the same problem. Placing your casting in a pressure pot is the only sure way to achieve a bubble-free casting every time.\u00a0\u00a0<\/strong><\/p>\n

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What is a Pressure Pot that is Used for Resin Casting?<\/h2>\n

You will need to use a pressure pot to create air-trap-free and bubble-free resin castings, something that is imperative to create clear resin casting. If you have air trapped in resin, and particular clear resin, it can create a cloudy color and you won\u2019t be able to achieve crystal clear castings. You can purchase a pressure pot in a variety of sizes.<\/p>\n

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Pressure Pot \u2013 Do You Need to Put Resin in it?<\/h2>\n

Is it necessary to place your resin pieces in a pressure pot? Keep in mind when you mix your resin, it is inevitable that a certain amount of air will be introduced to the resin, this air is what leads to bubbles. If you are working with a small DIY resin casting, you should be able to get rid of any bubbles by simply gently knocking the sides of the mold, causing the bubbles to move to the surface and pop.<\/p>\n

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Should you be working with a larger and, or more complex resin piece, the only option you have to remove any bubbles is to use a pressure pot. The pressure pot allows the bubbles to be removed by using the pressure to crush the bubbles. It is important to ensure you leave your resin casting for the full curing time, in the pressure pot, to remove any air bubbles<\/strong><\/a> and give your resin a crystal-clear finish.<\/p>\n

Another use for the pressure pot is to remove any air that may have been trapped between the mold and the resin. When you are casting and pour the resin into the mold, there may be parts of the mold that are thinner, or more complex that the resin does not flow into sufficiently, air will then become trapped between the sides of the mold and the resin.<\/p>\n

The resin casting pressure pot will force the air out of these places and allow the resin to fill these areas, enabling you to get crystal-clear castings.<\/strong><\/span><\/p><\/blockquote>\n

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Using a Pressure Pot: Pros & Cons<\/h2>\n
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Pros<\/strong><\/span><\/p>\n

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  • <\/i> Should you have several small items that all require degassing, using a pressure pot is an affordable method<\/li>\n
  • <\/i> You can achieve crystal-clear and bubble-free pieces while ensuring no air is trapped in your resin casting<\/li>\n
  • <\/i> An easy and cheap way to degas your resin castings<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>
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    Cons<\/strong><\/span><\/p>\n

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    • <\/i> If you are using a soft rubber mold, once the pressure has been released from the pressure pot, the bubbles will simply return to the resin<\/li>\n
    • <\/i> A soft rubber mold can also unfortunately collapse in any spaces where air has become trapped<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n

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      Using a Pressure Pot \u2013 What You Need<\/h2>\n

      If you are going to use a pressure pot, you need to gather the following items before beginning:<\/p>\n

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      • <\/i> The most important item is a compressor that comes equipped with a motor which can produce a pressure of 90 Psi or lower and has a minimum 3.5 H.P, also you will require a quarter-inch connection air hose<\/li>\n
      • <\/i> To seal the lid, you will require a gasket<\/li>\n
      • <\/i> Safety relief valve<\/li>\n
      • <\/i> A quarter-inch inlet connection<\/li>\n
      • <\/i> A pressure gauge that can withstand 60 Psi or more<\/li>\n<\/ul>\n

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        Best Pressure Pot For Resin Overview<\/h2>\n

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        Shop Fox Pressure Pot<\/h3>\n

        A Shop Fox pressure pot (model number W1799) is the best price-performance pressure pot on the market, it offers you the following features:<\/p>\n

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        • <\/i> A steel tank (galvanized) that has a 2 and a quarter gallon capacity<\/li>\n
        • <\/i> A safety or pressure valve<\/li>\n
        • <\/i> The pressure of the pot should be able to get to between 25 and 30 Psi, with a maximum pressure of 45 Psi<\/li>\n
        • <\/i> A double output regulator should be attached<\/li>\n
        • <\/i> When you take the lid off, the lid gasket and clamps should stay fixed<\/li>\n<\/ul>\n<\/div>\n