In the U.S., PVC is made from natural gas and salt (yes, “salt”). Learn more about PVC’s history and how it’s made. PVC is corrosion-resistant and widely accepted by building codes for most piping applications (except hot water).

What is the plastic piping called?

PVC Pipe. PVC, or polyvinyl chloride, pipe is a drain or vent line type of plumbing pipe. PVC initially gained popularity because it was lighter and easier to work with than traditional galvanized steel pipe.

How are plastic pipe fittings made?

• Feeding of raw material pellets / powder into the PVC twin screw extruder.
• Melting and heating in multiple extruder zones.
• Extruding through a die to shape into a pipe.