plastic piping has one main advantage and that is that it doesn't rust over time
The most common use of plastic piping is in plumbing. It's lighter and cheaper than metal piping. Rubberized piping can be considered as garden hose piping.
Copper, although plastic piping is preferred nowadays.
Plastic piping can be used for a number of things. First, it can be used in plumbing, although not as sturdy as copper. It is used for drain lines frequently. It can also be used as support, such as a lattice for roses.
Any kind of non plastic piping will do (namely copper or galvanised for water and uPVC for Waste). Unless of course this cannot be done due to high theft of metallic piping.
Copper or plastic piping
Utility pipes made out of Poly Vinyl Chloride (PVC) a plastic.
As far as I know, for underground piping use plastic, for above ground steel or copper. That is the practice in the UK, but I don't know about the US. I would be surprised if it is different. We did have underground steel pipes but these are now being replaced with plastic and all new is plastic (underground)
Physical advantages - 1) Plastic is renewable and even after recycling its quality does not decrease.
Plastic
Yes - you need to check local building codes as it varies.
Lead, plastic. various ferrous and non ferrous metals and glass piping
Advantages of acrylic plastic include:Can be easily molded into a variety of shapesWaterproofCheapDisadvantages of acrylic plastic include:Can melt if gets too hot