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Rotomolded Tank Manufacturers and Companies

IQS Directory provides an extensive list of rotomolded tank companies and suppliers. Utilize our website to review and source rotomolded tank companies with our easy-to-use features which allow you to locate rotomolded tank companies that will design, engineer, and manufacture rotomolded tanks for your exact specifications. Our request for quote forms make it easy to connect with leading rotomolded tank companies. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for plastic rotomolded tanks, polypropylene rotomolded tanks, or custom roto molded tanks.

  • Orange, CA 877-768-6585

    As a full-service rotational molding company, Roto Dynamics is your source for high quality, custom rotomolded products. Since our inception, we have continued to earn success by closely working with our customers, developing innovative and tailored solutions. We are with you every step of the way, from design and development to production and assembly. For a complete view of our capabilities and services, check out our website, or submit a request for quote to see how we can serve you!

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  • Pearland, TX 281-648-0909

    We are a custom manufacturer of rotationally molded products. Our state of the art technology creates precise, cost effective and dependable products. Whether your order is large or small, we want to be sure you are satisfied. We also manufacture a standard line of chemical storage and process tanks. All of our products go through rigorous testing. The safety of those working with or near our tanks and the environment is a top priority for us.

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  • Madera, CA 559-673-4764

    IRM uses the highest quality, environmentally friendly polymers for the customer’s application including products requiring FDA and UL approval. Constant electronic monitoring of the manufacturing process assures consistency of all products. The finished goods are inspected by highly trained factory technicians resulting in the highest quality products available.

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  • Elberfeld, IN 800-304-4600

    We provide outstanding custom plastic rotational molding. Our teams offer short lead times and we will assist you from concept to production. All of our materials and designs are FDA approved and we can handle the most complex projects. We are your one stop shop for all of your rotational molding needs. Give us a call today to learn more information!

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  • Middletown, OH 513-424-1955

    The Granger Plastics Company specializes in large and more complex mold products and components. Our rotational molding services provide products with competitive pricing, design flexibility and uniform construction. We provide a variety of complex inserts, threaded fittings, roto-molded heavy walled intricate parts, as well as custom molds for to fit the changing needs of all customers.

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  • Carle Place, NY 516-334-2300

    Formed Plastics specializes in the custom fabrication of vacuum formed plastics and rotomolding. We also offer plastic thermoforming and pressure forming, as well as line bending. Formed Plastics also has a lighting products line. We serve industries such as medical, dental, machinery and more.

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Rotomolded Tanks Industry Information

Rotomolded Tanks

Rotomolded tanks are hollow vessels that are fabricated from thermoplastic materials to contain and store a wide variety of materials. They are known for their impact resistance, high tensile strength and wide design range. Rotational molding is an inexpensive process that uses rotation, heat and a mold to form many different products, the most popular of which are plastic tanks.

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Design of Rotomolded Tanks

Rotomolded tanks exhibit uniform wall thickness, the ability to have threads, fittings or hardware attached and many different color options. They are mostly used in industrial applications for the food and beverage processing, fuel and oil, chemical, pharmaceutical, marine, wastewater treatment, agricultural and medical industries. Their seamless, single part construction protects against fractures and leaks, which leads to a longer lifespan. They have many benefits over metal tanks, which can corrode and oxidize and are difficult to install. Rotational molding is also the most beneficial method of producing plastic tanks, compared to other thermoplastic fabrication processes like welding. There is also very little material wasted, unlike thermoforming, injection molding and blow molding, all of which have extra scrap pieces of plastic that are removed from the newly formed tanks and require costly assembly.

Materials Used to Make Rotomolded Tanks

Rotationally molded tanks are made of a few different thermoplastic materials, including polyethylene, polypropylene, Halar and polyvinylidene fluoride, all of which are high purity plastics. To enhance properties like strength, moisture, chemical and temperature resistance, color and flame retardancy, the plastic resin often contains additive materials, depending on the product's application. Since plastic tanks are generally some of the largest products fabricated from rotational molding, manufacturers employ the largest rotomolders to produce them. They require a large amount of space, an area where high heat can be reached and a cooling location, both of which must be big enough for the rotational molding machine to revolve around two different axes if necessary. To fabricate the tanks, the polymer resin is always in fine powder form, in order to better reach all corners and sides of the tank-shaped mold. Since the process is carried out under low speeds and low pressure, even distribution of the plastic is sometimes a concern. However, if the plastic granules are fine enough, complex designs such as two-compartment tanks are possible. Rotomolded tanks are designed to be either horizontal or vertical in orientation, and may hold anywhere from a few gallons to several thousand gallons.



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