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Red Thread 11A History <br /> In 1968, this product was UL Listed as "Nonmetallic <br /> Underground Piping for Petroleum Products Only." Under the <br /> UL test program,the pipe was toWly immersed in the following <br /> chemicals(all at 100•F). <br /> • Regular leaded gasoline, <br /> • Premium unleaded gasoline, <br /> • Premium leaded gasoline, <br /> • No.2 fuel oil. <br /> • Benzene <br /> • Toluene <br /> • ASTM reference fuel C, <br /> • ASTM reference fuel A, <br /> • Distilled water, <br /> • Nitric acid(5%by weight), <br /> • Sodium carbonate and sodium bicarbonate solution, <br /> • Sodium chloride solution(saturated), <br /> • Dilute sulfuric acid(PH-3) <br /> • Dilute sulfuric acid(20%by weight). <br /> NOV Fiber Glass Systems recommended this pipe for <br /> methanol(gasoine blends up to 55% methanol at temperatures <br /> up to 75OF. The pipe was :also recommended for all mbdures of <br /> ethanol and gasoline including 100%ethanol. <br /> In 1984. the Red Thread 11 system carried the same UL <br /> listing as in 1968 and NOV Fiber Glass Systems recommended <br /> the piping system for all ethanol and methanol blends up to 100% <br /> at temperatures up to 75°F. <br /> In 1990,NOV Fiber Glass Systems began manufacturing Red <br /> Thread IIA This product was UL LUsted for petroleaen products. <br /> alcohols (ethanol and methanol) and alcohollgasoffne mbdures. <br /> In 1995 and 2005. the UL standard changed and each time the <br /> Red Thread IIA piping system passed all new requirements. <br /> For additional product information and location of the NOV <br /> Fiber Glass Systems Regional Manaagem and Manufacturer's <br /> L.. <br /> Representatives.visit www.fgspipe-com. <br /> rr <br /> old ve.Flew-Pipe in the lowground was instated in 1873 and removed <br /> 27 yaws later when an station dosed. <br /> 3 <br />