Extrusion: The PVC mixture is then fed into an extruder, a equipment that melts the mixture and pushes it by way of a die to kind a constant profile. The profile may have various sizes and styles, depending on the style requirements. Another form of ECG is named an work https://devinpqmhb.howeweb.com/40541163/the-fact-about-pvc-strip-curtains-that-no-one-is-suggesting