For reference a bladder may be a pillow tank but a bladder might or might not be self supporting. The potential of a pillow tank with It truly is self supporting design holds about 70% of what a rectangle would. IPI has worked with tank factories for virtually two many https://www.quora.com/profile/Jacques-Donaldson-2/Noise-Control-and-Reduction-Strategies-for-Glass-Lined-Reactors-Glass-lined-reactors-are-crucial-equipment-in-various-c