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E <br />a M 0 Oels­co�mpatibilit <br />Qualm materials and all <br />mean decades of worrymfr'e"e service. <br />i �' � � r ♦; i II <br />Every Xerxes DWT -II double %vall tank is vacuum tested at <br />,he factory to 1.5 inches of mercury. a far greater <br />vacuum than any other tank manufacturer. In addition, <br />each Xerxes tank is subjected to a 5 prig air/soap test, <br />ultrasonic -thickness verification and a barcol-hardness test. <br />Xerxes' standards meet or exceed those required by <br />Undenr✓riters Laboratories and ensure that every Xerxes <br />tank is a superior investment. <br />Unique Fiberglass Design and <br />Construction <br />Xerxes DWT -Il double wall tanks <br />are manufactured of highly engi- <br />neered premium resin and glass, <br />and feature a unique integral rib <br />design. <br />Like fluting in corrugated board, <br />the integral ribs in our fiberglass <br />tanks add strength. The integral <br />ribs and tanks are made of the <br />same material and are manufactured simultaneously, thus <br />ensuring an extremely strong and durable product. <br />All Alcohol Fuels Compatible <br />All Xerxes DWT -II double wall tanks are manufactured with <br />premium -resin and glass -fiber reinforcement formulated to be <br />compatible with all petroleum products. alcohols and alcohol- <br />oasoline mixtures. <br />Internal and External/Corrosion <br />Protection <br />Fiberglass tanks are made of corrosion -resistant materials and <br />- unlike steel tanks - never rust. They require no anodes or <br />any type of cathodic protection and - unlike steel tanks - are <br />maintenance -free. While coating a steel tank and adding <br />anodes to the outside of it can sometimes delay the corrosion <br />process, it does not change steel's natural tendency to rust. <br />Even properly working cathodic protection does not guard <br />against internal corrosion. <br />