Coiling is even possible with small diameter polyethylene pipe which is why it is used for gas distribution and water services. Polyethylene is also abrasion resistant. Common uses also include chemical transfer, power ducts, and sewage mains. However, its defining characteristic is that its strength increases at higher temperatures. Polybutylene is mostly used for hot effluent lines and slurry transportation due to its good abrasion resistance.
Polypropylene shares similar properties with polyethylene.
One key difference is polypropylene's excellent chemical resistance to organic solvents and some other chemicals. Due to polypropylene's chemical resistance, good rigidity and strength, and high temperature limits, it is used primarily for chemical waste movement. Polypropylene's key limitation is it moderate impact resistance. Substances of these types are usually referred to as copolymers. The proportions of each substance will determine the physical properties of the final product.