Yes, Polyvinyl chloride (PVC) is factory made. Refer to the Wikipedia link, below, for further details.
PolyVinylChloride - its the material its made from - PVC.
An instrument made of PVC pipe.
An instrument made of PVC pipe.
one is made out of PE, the other is made out of PVC
PVC
PVC is a compound.The pipes are not a compound but they are made from a compound.
PVC stands for polyvinyl chloride, which is what PVC pipes are made of.
Utility pipes made out of Poly Vinyl Chloride (PVC) a plastic.
PVC stands for poly VINYL chloride.
PVC
I believe they are made of PVC plastic
None. PVC is not made to be glued to concrete.