In terms of building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, and fibers, PVC was the world`s largest production of general-purpose plastics, and its applications are very widely. Widely used in all aspects.
PVC is a white powder with an amorphous structure. The degree of branching is relatively small. The relative density is about 1.4. The glass transition temperature is 77~90°C. It begins to decompose at about 170°C. It has poor stability to light and heat. After prolonged exposure to sunlight, it will decompose to produce hydrogen chloride, and further automatically catalyze the decomposition, causing discoloration, and the physical and mechanical properties also rapidly decline. In actual applications, stabilizers must be added to improve the stability of heat and light.
the Degree of polymerization of SG5 is 1000. usually we also call PVC Resin S1000. Its K-value is K67.
PVC RESIN SG5,Polyvinyl Chloride,Polyvinyl Chloride SG5,PVC Resin K67 Henan Shunbang Chemical Industry CO.,Ltd , https://www.suspensionpvc.com
2. The smell of the home after the new purchase of furniture is unpleasant and unacceptable.
3. Although I don't smoke, I rarely touch the smoking environment, but I often feel uncomfortable with lice, foreign body sensation, and poor breathing.
4. Children in the family often cough, sneeze, and have reduced immunity. Children in newly renovated homes are reluctant to return home.
5. Family members often have skin irritations and other problems, and they are grouped.
6. There is a disease in the family, and after leaving the environment, the symptoms have changed significantly and improved.
7. Newly-married couples are not pregnant for a long time and cannot find out why.
8. Pregnant women found fetal malformations under normal pregnancy conditions.
9. After a new move or new decoration, indoor plants are not easy to survive, even some of the most vital plants are difficult to grow normally.
10. After the new move, domestic pet cats, dogs and even tropical fish died inexplicably, and this is also true of neighbors.
11. As soon as I get to work, I feel sore throat and dry air. I feel dizzy and fatigued after work. There is no problem after work. And other staff in the same building also have this feeling.
How to identify "poisonous" in the room
1. Feeling sulking, nauseous and even dizzy when getting up early in the morning.