Examine the surface of the tub. Acrylic bath tubs have a luxurious, glossy finish that other tubs do not. This finish lasts a long time if the bath tub is well maintained.
Check the weight of the tub. Acrylic tubs are light enough to lift, unlike iron and steel tubs. You may also check the density by tapping the sides of the tub. Acrylic tubs emit a hollow sound, because of their weight, while metal tubs emit a dull sound.
Examine the style of the tub. Unlike other tubs, acrylic tubs are available in a large variety of styles because manufacturers can mold the plastic into any shape. The tub is likely to be acrylic if it has a luxurious shape or contains beveled sections.
Compare the prices of the bathtub selection. Acrylic tubs are considerably less expensive than cast iron and steel tubs. They also cost about twice as much as fiberglass bath tubs because the manufacturing process for acrylic tubs makes them more durable.