Plastic oil tanks are often used in applications such as domestic central heating systems, on trucks and trains for oil transportation, in gas stations, and any building that uses oil to fuel their heating systems. Read More…
Leading Manufacturers
All Plastics and Fiberglass, Inc.
Mobile, AL | 800-226-1134With over 100 years combined experience, All Plastics and Fiberglass has the experience to handle all your plastic and fiberglass needs.

Park Plastic Products
Fort Wayne, IN | 800-228-7716Specializing in fabricated plastic tanks such as water tanks, polypropylene tanks, polyethylene tanks and storage tanks, Park Plastic Products is capable of making your plastic tank in any size or dimension.

Roto Dynamics Inc.
Orange, CA | 877-768-6585Roto 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.

Miller Plastic Products, Inc.
Burgettstown, PA | 724-947-5000Our 50 years of experience have made us a leading supplier of custom plastic fabrications, including storage tanks, processing tanks and laboratory equipment. We provide a full line of plastic processing: CNC machining, welding, bending and fusion to custom build plastic tanks and components.

Aetna Plastics Corporation
Valley View, OH | 800-634-3074Founded in 1946, Aetna Plastics Corporation has been a leading distributor of plastic storage tanks, chemical tanks, polypropylene tanks, fiberglass-reinforced plastic tanks and many other products. We can either custom-fabricate tanks to your needs or you can choose from our standard model.

Plastic oil tanks can be used in either above ground or underground oil storage applications, but are most commonly used in underground. One example of an above ground storage application for plastic oil tanks is the storage of heating oil for residential purposes. An example of an underground storage tank for plastic oil tanks is for the storage of heating oil for industrial or commercial purposes as well as the storage of various fuel types such as motor oils, diesel duel, fuel oil for automotive applications.
Plastic materials are a popular alternative to metals like stainless steel for manufacturing oil tanks; however, plastic oil tanks are not recommended for use in the storage of certain aggressive chemicals such as strong oxidizers, aromatics, gasoline or jet fuel.
Plastic oil tanks are made a couple of different ways, but their most common processes are injection molding and contact molding. Injection molding is utilized for plastic oil tanks fabricated from polyethylene, while contact molding is for plastic oil tanks formed from FRP. Injection molding functions by first heating plastic pellets and then injecting the molten plastic material into the cavity of a split die chamber/mold, which is then clamped shut.
The plastic resin cools as water or other fluids circulate through the cooling system of the mold, extracting the heat and solidifying the tank. Contact molding, on the other hand, applies many different layers to a large round mold. They are all measured in gallons and can hold anywhere from 5 to 13,000 gallons apiece.
Depending on their size and the desired wall strength, oil tanks are composed of either one or two layers. They can stand alone or be integrally bundled, which means multiple tanks are attached to one another by a system of plastic internally-coated copper piping. Every plastic oil tank, whether above ground, underground, horizontal or vertical, has vents, a content gauge, an isolation valve and an overfill alarm for safety reasons.