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Aeromarine Products Inc.
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  • Epoxy Resin
    • FEATURED PRODUCTS

      300/21 Laminating Epoxy Resin w/ Pumps
      $510.00
      400/21 Laminating Epoxy Resin – 3 Gallon Kit
      $329.00
      5 Minute Quick Set Epoxy –
      1 Gallon Kit

      $310.00
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      Concrete Epoxy Resin
      Countertop & Table Epoxy Resin
      Flooring Epoxy Resin
      Rock & Pebble Epoxy Resin
      Wood & Dry Rot Repair Epoxy Resin
      Waterproof (Marine) Epoxy Resin
      All Epoxy Resin

    • SHOP BY COLOR

      Clear Epoxy Resin
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      Epoxy Resin Accessories & Fillers
      Area Calculator
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  • Epoxy Adhesives
    • FEATURED PRODUCTS

      300/11 Epoxy Resin Adhesive – 2 Gallon Kit
      $233.00
      300/11 Black Potting and Encapsulation Epoxy Resin – 2 Gallon Kit
      $233.00
      5 Minute Quick Set Epoxy – 1 Gallon Kit
      $310.00
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      5 Minute Epoxy Glue
      Concrete Epoxy Glue
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    • SHOP BY COLOR

      Black Epoxy Glue
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  • Mold Making
    • FEATURED PRODUCTS

      AM 125 – Simple 1:1 Mix Silicone Rubber – 1 Gallon Kit
      $137.00
      AM 128 RTV Silicone Rubber – 1/2 Gallon Kit
      $70.00
      Mold Making Latex Rubber – 1 Gallon
      $109.00
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      Concrete Molds
      Craft Molds
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      All Mold Making

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      All Silicone Rubber
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  • Pour Foam
    • FEATURED PRODUCTS

      2lb. Flotation and Insulation Foam – 2 Gallon Kit
      $126.00
      4lb. Density Foam – 2 Gallon Kit
      $137.00
      8lb Density Foam – 2 Gallon Kit
      $146.00
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      Boat & Pontoon Foam
      Boat Deck Repair Foam
      Exterior & Landscape Foam
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  • Casting Resins
    • FEATURED PRODUCTS

      Black Casting Resin – 2 Gallon Kit
      $168.00
      White Casting Resin – 10 Gallon Kit
      $575.00
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      $39.00
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  • Potting Compounds
    • FEATURED PRODUCTS

      300/11 Clear Potting and Encapsulation Epoxy Resin – 2 Gallon Kit
      $233.00
      75A Black Underwater Urethane Potting Compound – 2 Gallon Kit
      $165.00
      AM 150 Black Silicone Potting & Encapsulation RTV Rubber – 2 Gallon Kit
      $455.00
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      Circuit Potting & Encapsulating
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  • Accessories
    • FEATURED PRODUCTS

      Digital Scale
      $47.00
      Epoxy Resin Mold Release
      $19.00
      Silicone Oil Thinner – 16 oz
      $33.00
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      Epoxy Resin Supplies & Fillers
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Polyurethane Mold Making Rubber for Concrete & Stamping

If you’re working with pourable concrete, you’re going to need tough materials. Aeromarine’s durable polyurethane molds for concrete are made of solid polyurethane rubber, and are perfect for molding concrete into whatever shape you may need it. Whether you’re doing a DIY backyard redesign, or you’re a contractor who needs it for industrial purposes, these rubber molds will handle the job.

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  • Silicone Rubber Molds
  • Latex Molds
  • Food Grade Silicone
  • Clear Silicone
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  • Resin Molds
  • Soap Molds
  • Extras & Accessories
  • 75a urethane elastomer parts a and b with mold release

    Concrete Molding Stamping Rubber – 2 Gallon Kit

    $165.00
    Estimated delivery between 2021/01/25 - 2021/01/27
    Add to cart
  • 75a Urethane Elastomer Mold Compound Parts A and B With Mold Release

    Concrete Molding Stamping Rubber – 1/2 Gallon Kit

    $65.00
    Estimated delivery between 2021/01/25 - 2021/01/27
    Add to cart
  • 75a urethane elastomer parts a and b with mold release

    Concrete Molding Stamping Rubber – 2 Gallon Kit

    $165.00
    Estimated delivery between 2021/01/25 - 2021/01/27
    Add to cart
  • 10 gallon 75a Urethane Elastomer Mold Compound Parts A and B With Mold Release

    Concrete Molding Stamping Rubber – 10 Gallon Kit

    $585.00
    Estimated delivery between 2021/01/25 - 2021/01/27
    Add to cart
  • 110 gallon 75ab concrete molding and stamping rubber

    Concrete Molding Stamping Rubber – 110 Gallon Kit

    $6,870.00
    CONTACT US TO ORDER
    Estimated delivery between 2021/01/25 - 2021/01/27
    Add to cart
  • latex-mold-making-rubber-1qt

    Mold Making Latex Rubber – 1 Quart

    $48.00
    Estimated delivery between 2021/01/25 - 2021/01/27
    Read more
  • aeromarine-latex-mold-making-rubber-half-gallon

    Mold Making Latex Rubber – 1/2 Gallon

    $59.00
    Estimated delivery between 2021/01/25 - 2021/01/27
    Read more
  • aeromarine-latex-mold-making-rubber-1-gallon

    Mold Making Latex Rubber – 1 Gallon

    $109.00
    Estimated delivery between 2021/01/25 - 2021/01/27
    Read more
  • aeromarine-latex-mold-making-rubber-5-gallon

    Mold Making Latex Rubber – 5 Gallon

    $349.00
    Estimated delivery between 2021/01/25 - 2021/01/27
    Read more
  • aeromarine-latex-mold-making-rubber-55-gallon

    Mold Making Latex Rubber – 55 Gallon

    $4,500.00
    CONTACT US TO ORDER
    Estimated delivery between 2021/01/25 - 2021/01/27
    Read more

Need advice on mold making products? We can help!

Call us at 1-877-342-8860

Polyurethane Molds for Concrete & Stamping FAQs:

What kind of automobile parts can urethane rubber help create?

Our urethane rubber can be used for a variety of applications including industrial parts and automobile applications.

  • Clutch pedals
  • Brake pedals
  • Motor mounts
  • Door trim rubber

How to Use Concrete Molding and Stamping Rubber 75A Urethane

Concrete molds can be used for crafting interesting or technical shapes out of pourable concrete. The polyurethane concrete molds are best suited for portions of concrete, and should definitely be included among your stamped concrete supplies.

Note that if you need finer detail, consider our Mold Making Latex or our AM 128 Brushable RTV Silicone. 

Polyurethane molds for concrete can be used for pourable concrete as well as hard rubber stamp molds. Be sure that when using this product, you use hard plastic or metal mold frames and stir sticks — paper, cardboard, or wood will come apart and contaminate your mold.

  1. Shake both Bottle A and Bottle B vigorously about 30 minutes before pouring
  2. Mix the two solutions in a clean container (in a 1:1 ratio) for 60 seconds
  3. Pour freshly-mixed urethane molding rubber into a second mixing container, mix for an additional 60 seconds
  4. Pour into your casting within 5 minutes of this subsequent mixing
  5. Let each layer cure before applying a new layer
  6. Remove from casting using a mold release

Pro Tip: Use AeroMarine Products’ concrete molding and stamping urethane rubber between 65° and 75°F in a humidity-controlled environment.

We’re proud to offer industrial-grade materials that provide durability and strength. Like our RTV mold-making kits and silicone potting compounds, this rubber urethane solution can be trusted to provide the quality tear resistance your project requires.

How can I ensure that the concrete does not stick to my molds?

Concrete can be a tricky substance to work with, so you’d be wise to think carefully about how to keep it from sticking to your molds. The molds are durable, and can be used for multiple castings, but in order to do so you’ll need to keep them clean.

Use motor oil or castor oil in your molds prior to pouring concrete to ensure that the dried concrete easily comes apart from the mold.

How easy is it to make my own concrete mold?

AeroMarine’s products are as simple to use as they are durable and efficient.

Our concrete mold comes separated into two bottles: Part A and Part B. Mix the two at a 1:1 ratio in a mixing bowl made of hard plastic or metal.

Once you’ve opened and poured the polyurethane, be sure that you close the lid tightly to avoid contamination or the polyurethane drying out.

 

We offer FREE technical advice!

Call us at 1-877-342-8860
If you need help choosing the right latex or silicone for your application or determining the right amount of to get, we offer free technical advice for all products! Browse AeroMarine Products’ collection of offerings, including 2 part marine epoxy, food-grade RTV mold-making silicone, and silicone potting compounds.

Aeromarine Products, Inc.

  • 9020 Kenamar Drive #206
    San Diego CA 92121
    Open Monday through Friday
    Email us at [email protected]
  • 9:00am to 2:00pm PDT
  • (877) 342-8860

EPOXY RESIN

Concrete Epoxy Resin
Countertop & Table Epoxy Resin
Flooring Epoxy Resin
Rock & Pebble Epoxy Resin
Wood & Dry Rot Repair
Waterproof (Marine) Epoxy Resin

EPOXY ADHESIVES

5 Minute Epoxy Glue
Concrete Epoxy Glue
Industrial Epoxy Glue
Marine Epoxy Glue
Metal Epoxy Glue
Wood Epoxy Glue

CASTING RESINS

Cold Casting Resin
Black Casting Resin
Casting Resin Dyes

ACCESSORIES & GUIDES

Accessories
Calculator
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MOLD MAKING

Concrete Molds
Craft Molds
Food Grade Molds
Parts & Prototype Molds
Resin Molds
Soap Molds

POTTING COMPOUNDS

Circuit Potting & Encapsulating
Electronic Potting & Encapsulating
Pool Light Potting & Encapsulating
Thermal Potting & Encapsulating
Underwater Potting &
Encapsulating

POUR FOAMS

Boat & Pontoon Foam
Boat Deck Repair Foam
Exterior & Landscape Foam
Freighter Hull Foam
Hunting Blind & Decoy Foam
Insulation & Soundproofing Foam
Mine & Well Fill Foam
Special FX & Cosplay Foam

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