Foam rubber tubes will protect them from cold.
It would be helpful if you stated WHAT you want to protect them from !
It depends on the material of the pipes
No, pipes are made of PVC. Whirley hospital mugs are made from polypropylene.
its a steel material used in pipes
ceramic sewer pipes otherwise known as vitrified clay pipes (ethenware pipes) were used between the 1920's and 1980's. these types of pipes are not commonly used anymore due to the cost of material and labour intensity
Q235 is a kind of material which is mostly used in China and for the pipes and tubes. It seems that this material has a good quality for this purpose
Flexible pipes can protect against somemovement.
They ARE used when quality and longevity is needed for leader lines, roof drain flashing material
SWR pipes are used for drainage systems and are made of a special type of PVC material that is resistant to chemicals and high temperatures. uPVC pipes, on the other hand, are used for water supply systems and are made of unplasticized PVC material that is strong and durable. The main difference between the two is their intended use and the type of material they are made of.
Epoxy coating is most commonly used to protect steel pipes in pipeline production, concrete reinforcement bars and a wide variety of piping connections and valves to protect them from corrosion.
Copper used to be very common, now many kinds of plastics are used. PEX is one of the most popular.
"Gravitons"
It is important to protect water pipes so they don't freeze because when water freezes, it swells. If water is trapped inside the pipes the pressure from it swelling will cause the pipes to burst.