Chemical Containment INDUSTRIAL DOUBLE WALL Polyethylene Chemical Storage Tanks. SIERRA 215-258-5602. High Density and Crosslinked Polyethylene. Safe double wall tank systems. Sierra Sales designs, engineers and supplies safe poly processing tanks, polyethylene chemical storage tanks. PE tanks for corrosives, safe poly processing tanks, vertical, cone bottom, open top, horizontal, safe-tanks, double wall tanks, full drain tanks, IBC, SUMO, fittings & accessories. Poly tanks for sodium hypochlorite, sulfuric acid, caustic soda, hydrochloric acid, and secondary containment are our specialty. Lined steel products & accessories are available in any number of fluoroplastics.
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