Plastic piping materials confer many advantages in Potable Water applications and have enjoyed a long and successful application history. Part of that success has been the considerable research that has been conducted to develop methodologies for characterizing and ensuring service performance. A key component of accelerated methodologies is ensuring that the observed mechanisms are the same as those potentially occurring in the field. In this paper, field exposed plastic piping materials from aggressive applications are examined to determine the aging mechanisms observed in end-use environments. These mechanisms are compared with those observed in accelerated testing.
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