Does rubber hose drink from tap water? Is it poisonous?
Rubber hose is not good, for plastic tubes. Rubber is plant rubber, then less harm, if it is chemical rubber, certainly a little harm to the body, but not carcinogenic, I am not sure. It is better to change the metal tube, with ease, drink, peace of mind!
Galvanized steel pipe is divided into cold galvanized pipe, hot galvanized pipe, the former has been banned, and the latter is also advocated by the state for the moment, can be used. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned. China's Ministry of construction and other four ministries have also issued a civilization, from two, 000 years since the prohibition of galvanized pipe, the current New District cold water pipe has rarely used galvanized pipe, and some of the hot water pipe is galvanized pipe.
.PVC is actually a vinyl polymerization substance, whose material is a non crystalline material. PVC materials often use stabilizers, lubricants, auxiliary processing agents, pigments, anti shock agents and other additives in practical use. Is not flammable, high strength, excellent resistance to climate variability and geometric stability. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is also not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons. In addition, the terms person, vs, computer, abbreviated as PVC, and the PVC humanoid are often referred to as PVC.
