Metal Finishing Guide Book

2012-2013

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Table VIII. Chemical Resistance of Structural Plastics Medium Aluminum salts Cadmium salts Chromic acid, to 10% Copper salts Gold cyanide Hydrochloric acid Hydrofluoric acid Iron salts Magnesium salts Nickel salts Nitric acid, to 20% Perchloric acid Phosphoric acid Sodium chloride Sodium cyanide Sodium hydroxide, to 30% Sodium salts Sulfuric acid, to 50% Trichloroethylene Trisodium phosphate Zinc salts Polyvinyl Chloride Polyethylene Polypropylene R R R R R R R R R R R R R R R R R R NR R R R R R R R R R R R R R C R R R R R R NR R R R R R R R R R R R R R C R R R R R R NR R R C, conditional; R, recommended; NR, not recommended. All of these plastics have been successfully used as self-supporting tanks and ���drop-in��� tank liners for process and storage applications. The thermoplastics (PVC, PP, and PE) are being used for mechanical bonding to concrete for similar applications. Polyvinyl chloride is one of the oldest proven plastics for fabricating highly chemical-resistant structures. (See Table VIII for the chemical resistance of structural plastics.) Type I PVC is one of the best plastics available for resistance to a multitude of strong oxidizing environments up to its thermal limitation of approximately 150OF (66OC). Type I PVC has outstanding structural integrity attributable to its high tensile, compressive, and flexural properties. It is one of the easiest plastics from which to construct tanks, tank liners, dipping baskets, New Life for Old Tanks Long Life for New Tanks CHOOSE FLEXI-LINER TM Since ��� The original flexible tank liner 1953 ��� Installed worldwide ��� Custom fabricated to ensure fit ��� Advanced & proven material formulations ��� Resistant to a wide range of chemicals ��� Always responsive to emergencies Flexible ��� Corrosion-resistant Easy to install [ Call today 800-423-4909 ] ���Trusted by Fortune 500 and owner-operators alike��� FLEXI-LINER Email: info@flexi-liner.com 3198 Factory Drive Pomona, CA 91768 800-356-4648 www.flexi-liner.com www.metalfinishing.com/advertisers 797

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