Weatherability of Thermoplastic Piping.
PLASTICS PIPE INST NEW YORK
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Plastics are being used to an ever increasing extent in outdoor environments, particularly as materials of construction. The movement of polymeric materials into construction has increased the importance of determining their useful performance life under conditions of outdoor service. This need applies equally to plastic pipe. Locale and season have remarkable effects on plastics. The expected performance in one locale cannot be presumed, based on performance in another locale, particularly if the seasons of exposure differ. Reliable results can be obtained for a specific locale by long-term exposure in that locale. The resistance can be evaluated by rigorous controlled laboratory studies accelerated weathering that give the same types of chemical and physical changes that occur on outdoor exposure. Such evaluations when properly made and interpreted give highly satisfactory indications of service life on continuous exposure to the weathering elements. MM
- Pumps, Filters, Pipes, Tubing, Fittings and Valves