Plastic PVC profiles is called plastic profile ,mainly produced to manufacture pvc window and door. Its main chemical content is pvc. Therefore plastic profile is also called pvc profiles.It began in Germany during the late fifties of the 20th century.China began to introduce this product in 1983. PVC profile became commonly applied in the late 1990s.
Pure pvc windows do not have enough strength.Therefore Steel liner needs to be added into the pvc chamber to enhance the stability of pvc window.So PVC window is also called plastic steel window. Profiles used to produce pvc window are also called plastic steel profiles