Acid-Resistant Rubber Liners for Chemical Storage Tanks

Description

The purpose of rubber lining is to protect the vessels, tanks and piping against corrosion and/or erosion damage and increasing the life of their service. In present work isoprene/natural rubber is used to
prepare the lining material for 33%%%% diluted Hcl acid storage tank. The required parameters for rubber lining
material are minimum tensile strength of 110kgf/cm2, minimum elongation at break 350%%%%, maximum ash content 35%%%% and maximum acid absorbed 12%%%%. To achieve the above said results a rubber lining material with appropriate composition is prepared in the form of sheet with desired thickness and the sheets are cut in to the specimens as per ASTM/IS Standards and tests like tensile strength, Ash content test and Acid bleed tests were performed and the results obtained are tensile strength=112.80kgf/cm2, Elongation at break are 438.92%%%%, ash content=31.85%%%% and acid absorbed =7.85%%%%.

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