How can I make plastic pipes harden quickly?
If you need to keep the PVC tube well, you can use that kind of sealed bag with a quilt and squeeze the air inside. It's OK,PVC plastic because of low temperature and harden, do not need to worry, when the temperature picks up, will naturally restore the original hardness.
You say this kind of plastic pipe is PVC tube, it will harden in cold weather, and it will harden for a long time. Because of the hardening of the temperature, do not worry, the temperature will rise back, will return to normal, because this is the characteristics of PVC plastic. With a long hardening, this is the aging phenomenon, due to ultraviolet radiation and oxidation caused by irreversible reactions.
