The functions of each raw material when extrude uPVC profiles

For uPVC Profiles​ At present, there are six kinds of pvc heat stabilizers in the world, namely lead salts, compound calcium and zinc, organic tin, organic antimony, organic auxiliary heat stabilizer, rare earth compounds. And the world's largest output is still the most traditional lead salt stabilizer and calcium and zinc compound stabilizer. With the development of the industry's lead-free, but also with the concept of environmental protection gradually taken by people, calcium and zinc stabilizer can basically PVC stabilizer to become the future direction of development.

When the uPVC window is down, the room can not only be ventilated naturally, but the most important thing is that the air enters the room from the window or side, and will not directly blow to the body. Especially when the temperature difference between indoor and outdoor is large, it can greatly reduce the number of people. Risk of catching a cold due to direct blowing. Especially in high-rise apartments or empty villa communities, the wind is very strong in spring and autumn, and the inverted state of the PVC windows completely makes the exchange of indoor and outdoor air smooth, comfortable and soft.

There are many cases in uPVC window design, two common ones: windows are too small and windows are too big. It is all about window opening fans: the opening fan is too small, resulting in poor ventilation, which is neither energy-saving nor suitable for living; the opening fan is too large, the result is inconvenient opening, and it may even affect the operation of opening and closing windows due to the inconvenience of opening. Safety.