In recent years, people's living standards have increased substantially, and the consumption of doors and windows has shifted from necessity to practicality and even to the change of applicability. Young people in the future will not only be the main force in the consumption of doors and windows, bu... read more
Second, personalized needs In recent years, the living standards of the people have been greatly improved. PVC profiles and doors and windows have been used as household products, and the consumption of doors and windows has shifted from necessity to decorative and personalized. Doors and windows ar... read more
PVC is a non-crystalline, polar polymer with high softening temperature and melting temperature. Pure PVC generally needs to be plasticized at 160-210 °C. PVC display due to polar bonds between macromolecules. Hard and brittle performance. In addition, the chlorine-containing group in the PVC molecu... read more
Lead salt stabilizers are inexpensive and have good thermal stability. They have been widely used, but the powder of lead salt is small, and the dust caused by the powder of lead salt is the main cause of lead poisoning in the body. In the early 1970s, a new type of composite lead salt heat stabiliz... read more
Melting temperature is the most direct response to material plasticization. However, the melting temperature does not necessarily reflect the true level of raw material plasticization. The melting temperature is not only affected by the extruder process, but also by the process of the adapter. The p... read more