Abstract
The corrosion resistance of polyvinyl chloride (PVC) pipes immersed in tap water and different chemical solutions was investigated. Tests were performed at room temperature with the material exposed to 100% relative humidity and to different types of liquids such as tap water, sea water, solar, kerosene, lubricating oil, ethyl alcohol (95% C2H5OH), acetic acid (CH3COOH), 20% sodium hydroxide (NaOH), and benzene for exposure periods of 30, 60, and 90 days. Changes in weight, pH values, ultimate flexural strength, ultimate tensile strength, and Charpy impact resistance were measured over interval of testing times and the effects of the different corrosive environments on these parameters were assessed. The results indicated that the change in flexural strength, tensile strength, and Charpy impact resistance depends upon the period of exposure and the media.
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