Protected part
$ 227.46
Detailed description of the technological process (Preparation of the polyvinylchloride based composition for eraser production - there are two methods of polyvinylchloride based compositions receiving, i.e. cold and hot mixing of initial components. During the cold mixing initial components (polyvinylchloride, plasticizers, stabilizers, lubricants, fillers, etc.) are loaded into a low-speed mixer chamber and are mixed without any heat application. Depending on liquid components content the result can be either a wet substance or a paste...)