In this video from Charlotte Pipe, learn why air testing plumbing systems is dangerous and should never be done. Manufacturers, standard and code authorities expressly prohibit air testing of PVC pipe ...

NEW: A Uni-Bell PVC Pipe Association official has a rebuttal to the Beyond Plastics report covered in this story. Read the detailed update here. Bennington, Vt.-based Beyond Plastics, a nonprofit ...

A report warning cities against the use of PVC pipes in water systems sparked swift and resounding criticism from the plastics industry, its advocates and at least one leading scientific expert.

This study was conducted for Northern Pipe Product Inc., Fargo, ND, and presents test results from a program to investigate the axial performance of nominal 6-in. (150-mm) diameter polyvinyl chloride ...

Ultrasonic testing, or UT as it is commonly called, is the procedure of introducing a high frequency sound wave into one exterior side of a material, and reflecting the sound wave from its interior ...