The 5 Best pourable rubbers (2023 reviews)

pourable rubbers
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It is important to have the well suited pourable rubber. In the following post, we will help you to select the best pourable rubbers.

Our review process:

Our Top Picks:

Smoothon pourable Rubber
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Spresin pourable Rubber
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Smooth-On, Inc. pourable Rubber
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Polytek Shore Rubber
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Polytek pourable Rubber
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Smoothon pourable Rubber

Smoothon pourable Rubber
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The smoothon pourable rubber is suitable and reliable and fits well with your daily purpose. Softer silicone is better for delicate parts and high detail. It is coated with xtc-3d to give them a shiny coating which is picked up perfectly in the silicone mold. It will cure with whatever finish or texture is on the mold surface. It is flexible enough to allow you to demold your casting easily.

It is available in a 400ml cartridge and is one of the fastest ways to make a silicone mold. It is great to capture detail, cures fast, and degassing is not required. It will cover a large hand. It is pretty soft when dry but very pliable.

Why We Like This:
  • Super easy to use, fast curing, and produces great casts
  • Has good tensile strength and curves well
  • A good quick silicone for mold making
  • Silicone for making molds with resin 3d prints

Spresin pourable Rubber

Spresin pourable Rubber
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The spresin pourable rubber's material feels more premium than its price would suggest. It is a great choice for silicone mold-making for resin casting products. You can use these liquid silicone mold-making kits for casting polyurethane, epoxy and polyester resins, as well as materials like cement, concrete, wax, soap and plaster.

These liquid silicone mold-making supplies are easy to use and de-air, with materials that cure at room temperature on almost any surface. It leaves a residue that has to be washed off and inhibits paint. It is soft and is dissolved in water without stirring. It comes out with a caulk like consistency. It is bendable but very durable.

Why We Like This:
  • Cures to about the density of surgical tubing rubber
  • Not too stretchy more like soft rubber tire
  • An excellent product for multiple casting needs

Smooth-On, Inc. pourable Rubber

Smooth-On, Inc. pourable Rubber
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Next on the list, we've got yet another rubber that manages to win our hearts. It's the smooth-on, inc. pourable rubber and it's widely considered as one of the best convenient rubber you can buy. It has a body double starter kit for making the mold. It comes with a lot of good information and quality materials. The rubber included with this kit takes six (6) hours to cure. It's fun to clean up if you use plastic utensils. The casting sets up rapidly and pops right out of the mold. It comes with very clear instructions and everything is easy to use and follow.

The kit contains the silicone for actually making the molds but since you are just making the final product you could look for just the 2 part pourable plastic. It's perfect for casting those missing or damaged parts.

Why We Like This:
  • Great product for making your own art
  • Great starter kit for a beginner trying to learn how
  • Comes with the sealer and mold release
  • Includes very detailed instructions and ideas

Polytek Shore Rubber

Polytek Shore Rubber
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The polytek shore rubber should be able to handle its purpose and duties with ease. It is a two-part, liquid polyurethane system that cures (rtv) to a yellow, shore a45 rubber.

Why We Like This:
  • Delivers what they promise
  • Good brand reputation

Polytek pourable Rubber

Polytek pourable Rubber
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Compared with other rubber in this category, the polytek pourable rubber has a convenient design. It is a two-part, platinum-catalyzed, liquid silicone system that cures (rtv) to a green, shore a25 rubber. It is a pourable rubber, but it can be easily thickened with platthix liquid thickener or fumed silica for brush-on application. The yellow colored Part A and green colored Part B make it easy to see when mixing is complete.

Why We Like This:
  • Good brand reputation
  • Good investment for long term