The plastic pipes we usually see are mostly white, blue and gray. Some people say that the white plastic pipe is non-toxic, the gray plastic pipe is poisonous, and some people think that the gray plastic pipe is the regeneration pipe, which is unwilling to use. In fact, the pipe is poisonous and non-toxic. Depending on its appearance color, and depending on its intrinsic quality, the so-called white color, blue color or gray color, is the company to add titanium dioxide, titanium cyan or carbon to the raw materials according to the relevant regulations and the special needs of users. In black, white, blue, and gray pipes are produced. As for toxic or non-toxic, it depends on whether the content of lead, cadmium, tin, mercury, and vinyl chloride monomer in the pipe meets the standards set by the state. As for the gray Plastic pipe is used as a regeneration pipe. It is unscientific. The materials of the regeneration pipe are different. The colors are mixed. The manufacturer must increase the amount of coloring agent for the appearance, deepen the color, dress up the appearance, or gray or black, but it cannot be concluded. All gray and black plastic pipes are regenerative pipes.

Ball Valve

Ball Valve,Universal Ball Valve,3 Way Ball Valve,Ball Float Valve

Chongqing Xingjida Import and Export Trade Co., Ltd. , https://www.xjvalvestem.com