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Poly Tanks Manufacturers and Suppliers

IQS Directory provides an extensive list of poly tank manufacturers and suppliers. Utilize our website to review and source poly tank manufactures with our easy-to-use features which allow you to locate poly tank companies that will design, engineer, and manufacture poly tanks for your exact specifications. Our request for quote forms make it easy to connect with leading poly tank manufacturers. 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 poly fuel tanks, poly water tanks, or poly stock tanks.

  • Mobile, AL 800-226-1134

    Since 1981, All Plastics and Fiberglass has manufactured and distributed industrial plastic and fiberglass products including poly tanks. Strict quality control assures our customers they have the best product. We have built a reputation on high quality products and superior customer service and after-sale support for more than two decades. Call us today and see why customers prefer us.

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  • Fort Wayne, IN 800-228-7716

    Specializing in fabricated plastic tanks such as polyethylene tanks, Park Plastic Products is capable of making your plastic tank in any size or dimension. We pride ourselves on quality plastic tanks, fast service, fair prices and a desire to achieve complete customer satisfaction. Our company has become a major player in the tank industry. We are your source for liquid handling tanks, worldwide.

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  • Orange, CA 877-768-6585

    Roto Dynamics Inc., custom rotational molders serving rotomolding and plastic tank needs nationwide. We are dedicated to our customers manufacturing needs. Building customer relationships based on integrity and communication assists us in developing a competitive advantage within the industry. We produce quality products at competitive prices. A turnkey manufacturing experience is offered where you will receive assistance with concept sketches, design, engineering, prototyping, manufacturing, quality assurance and logistics.

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  • Lake City, PA 814-774-2500

    Sterling is a leader in the design and fabrication of plastic tanks. We set ourselves apart from the competition because of our ability to manufacture your product quickly and deliver it on time. With more than 30 molding arms constantly in use, we can manufacture your product quickly, and our products are nothing short of the best quality. Contact Sterling today!

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  • Hospers, IA 712-752-8432

    In business since 1976, Den Hartog provides tank installation, tank removal and the best new or pre-owned equipment all with quality personal attention. Consider our large line of used fiberglass, steel, stainless steel and plastic tanks--every size tank. Poly tanks are light and durable, perfect as water or chemical holding tanks. We also distribute new tanks by Chem Tainer and RMI.

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  • Pearland, TX 281-648-0909

    Sherman Roto Tank specializes in tanks that are manufactured to be suitable to store and process chemicals. Our tanks are a great choice for any industry. All our products go through extensive testing in order to surpass the industry standards. We offer sizes varying from 65 gallon to 800 gallon tanks. Along with tanks we manufacture customizable stands.

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businessIndustry Information

Poly Tanks

Tanks can be fabricated from both metal and plastic. Although both materials have their own set of advantages, poly tanks are lower-maintenance and are more durable than those made of steel, stainless steel, Hastelloy, or titanium. Poly tanks, another term for plastic tanks, have a seamless structure, and are resistant to chemicals, fuel additives, corrosion, and rust. Steel tanks can leak and fracture over time, but poly tanks have a much longer lifespan.

Unlike stainless steel tanks, plastic is much easier to mold and shape. Thus, poly tanks are much easier to install, and can be shaped to fit tank compartments of a certain size and shape. Poly tanks can vary greatly in terms of holding capacity. They can hold as little as 15 gallons to as much as 16,000 gallons. Companies who are searching for inexpensive options for storage can benefit from using poly tanks, as they cost significantly less overall than metal tanks. Poly tanks are also highly resistant to a variety of chemicals and substances, including motor oils, diesel fuels, fuel oils, hydrochloric acid, sulfuric acid, caustic soda, and sodium hypochlorite. Because of this level of versatility, poly tanks are used in a wide range of industries and applications. Examples include tanks in irrigation and fertilization systems in the agriculture and food production industry, and storage of oils and fuels in automotive businesses. Other applications where poly tanks can be found include electroplating, parts washing, industrial manufacturing and processing, and recycling.

Poly tanks can be fabricated from many types of plastic. Some common types of plastic are as follows:

  • Polyethylene (PE). Polyethylene is the most popular plastic resin for fabricating storage tanks. PE is a thermoplastic that is light in weight, resistant to chemicals, and can come in several types. The first type is known as linear high density polyethylene (HDLPE). The word “linear” is used in the term for the purpose of distinguishing it from cross-linked high density polyethylene. Otherwise, the term can be used interchangeably with high density polyethylene (HDPE). HDPE is more rigid than its low-density counterpart, and is known for its superior impact resistance. Tanks made from HDPE are more reliable and are less prone to rupture and leakage of its contents. Linear low density polyethylene (LLDPE) has shorter branching in its molecular structure than low density polyethylene (LDPE), causing LLDPE to have higher tensile strength and higher resistance to rupture and impact. Finally, cross-linked high density polyethylene (XLPE). The polymer chains within XLPE are connected by heat and chemical-generated covalent bonds and subsequently elongated, making the material incredibly rigid, durable, and more chemically resistant than HDPE.
  • Polypropylene (PP). Polypropylene is another highly recommended material due to its light weight, low density, excellent strength, exceptional resistance to heat and moisture, and a melting point of 320º F (160º C). PP is also resistant to chemicals such as magnesium hydroxide, potassium carbonate, photographic solutions, oleic acid, and hydrogen sulfide. Although it has less chemical inertia than polyethylene, it is a much stronger resin.
  • Polyvinyl chloride (PVC). The advantageous properties of PVC include the ability to be mixed with an assortment of additives in order to improve flexibility, conductivity, insulation, and rigidity of the material. The transparency and color can also be adjusted. Despite its beneficial properties, PVC is less commonly used than PP and PE because of how much it can negatively affect human health and the environment. PVC contains toxic elements that can be released into the atmosphere or seep into the ground. Therefore, the potential hazards of PVC is important to consider when deciding on a resin from which to fabricate your poly tank.

Rotational molding, or rotomolding, is one method to manufacture poly tanks. The first step of the process involves filling a mold with the plastic material—which is ground up into powder form—and sealing the mold shut. The mold is supported on a set of arms known as spindles. Once the molds are filled, they are transferred by the molding machine to a heating chamber which melts down the powdered plastic. In the heating chamber, the mold slowly revolves around the spindles’ axes. Once the melted plastic takes the shape of the mold, it is then transferred to a cooling chamber. Within the cooling chamber, cold air and water is applied outside the mold, which helps solidify the molten plastic. Once cooled, the final product can be manually removed from the mold. Rotomolding is highly advantageous to other methods like blow molding and injection molding, due to its ability to create seamless products in one piece.

More Poly Tanks Information
Poly Tanks
Poly Tanks
Poly Tanks – Assmann Corporation of America
Poly Tanks – Assmann Corporation of America



Poly Tank Informational Video