Three Forms Welding of PVC Water Supply Pipe

Three Forms Welding of PVC Water Supply Pipe

For the knowledge of PVC water supply pipe, I believe you have some knowledge. In order to make better use of it, we have a better understanding of its welding mechanism. Here is a brief introduction for you.

1. High elastic state: PVC water supply pipe polymer molecule has the ability of movement at the beginning, but the whole macromolecule chain is still unable to move. Under the effect of external force, the polymer can be deformed greatly and restored slowly after relieving the external force. At this time, the elastic modulus of the polymer decreases greatly, and the mechanical function becomes worse.

2. Viscous flow state: When the intermolecular distance of polymer increases, the movement of macromolecule can be added, and the displacement of the whole molecule's center of gravity can be attacked, which leads to the movement of macromolecule. Under the effect of external force, the whole macromolecule chain slides to each other and deforms, making the long chain molecules stack and tangle from the new. This deformation is irreversible. After the temperature decreases, the long chain macromolecule can still adhere to this reorganization form except for the loss of external force.

3. Crystalline state: When polymer macromolecular chains and segments are frozen, the molecule can fall into empty motion. When subjected to the effect of external force, only instantaneous deformation can occur. Except for the loss of external force, it can recover, which is the normal application form of data.