PVC (Polyvinyl Chloride)
PVC
is the most frequently specified of all thermoplastic piping materials.
It has been used successfully for over 60 years. PVC is characterized
by distinctive physical properties,and is resistant to corrosion and
chemical attack by acids, alkalis, salt solutions and many other
chemicals. It is attacked, however, by polar solvents such as ketones
and aromatics.
Of
the various types and grades of PVC used in plastic piping, Type 1,
Grade 1 PVC (Cell Classification 12454) conforming to ASTM D1784, is the
most common. The maximum service temperature for PVC is 140°F (60°C),
under pressure. PVC for drainage applications is also capable of
handling near boiling temperatures for intermittent flow conditions.
With a hydrostatic design basis of 4000 psi at 73°F (23°C) and a design
stress of 2,000 psi at 73°F (23°C), PVC has the highest long-term
hydrostatic strength of any other major thermoplastic material used for
piping.
Please refer to the link for technical detail : IPEX PVC Schedule 80
CPVC (Chlorinated Polyvinyl Chloride)
CPVC
(Cell Classification 24448 and 23447) conforming to ASTM D1784 has
physical properties at 73°F (23°C) similar to those of PVC and chemical
resistance similar to or generally better than that of PVC. The design
stress of CPVC is also 2,000 psi at 73°F (23°C). The maximum service
temperature is 200°F (93°C) under pressure with occasional exposure to
boiling water (212°F, 100°C). CPVC has proved to be an excellent piping
material for hot corrosive liquids, hot and cold water distribution and
similar applications above the temperature range of PVC.
Please refer to the link for technical detail : IPEX CPVC Schedule 80
For full range of Industrial Thermoplastics : IPEX Industrial Thermoplastics
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