DC-901200-1.5, Duracast 1200 Gallon Plastic Storage Tank | 901200 When you need to store aggressive chemicals, use a storage tank you can depend on. Duracast’s vertical plastic tanks are manufactured with quality and durability in mind so that you can enjoy worry-free storage for years. Rotationally molded, these tanks do not have any seams or joints that would cause leaks. The polyethylene resin is UV stabilized to slow the wearing process when kept outdoors. Their high resistance to chemical attacks makes these tanks the perfect storage solution for hazardous industrial and agricultural chemicals. Other contents people can store in these tanks include liquid fertilizer, certain acids, liquid feed and potable water. This is a 1.5 specific gravity tank.