Polyvinyl Chloride is made from one of three emulsion processes:
Polyvinyl Chloride for Prototype Development on CNC Machines, 3D Printers, & Injection Molding Machines: There are two main issues working with PVC that make it fairly problematic and not generally recommended for use by non-professionals. The first is the emission of toxic and corrosive gases when melting the material. This happens to some extent or another while 3D printing, CNC machining, and injection molding. We recommend you take a look at the MSDS data sheets for different chlorinated hydrocarbon gases like chlorobenzene and discuss the production process with a professional manufacturer. Second is the corrosive nature of PVC. This is problematic when PVC is repeatedly coming into contact with metal nozzles, cutters, and/or mold tools that are made from a material other than stainless steel or some other similarly corrosion resistant metal.
Polyvinyl Chloride is available in filament form as a plastic welding rod (the material used for welding) but it is not presently retrofit for specific use in 3D printing. Although there are a growing number of plastics and plastic substitutes available for 3D printing, by far the two most common are still ABS and PLA. At Creative Mechanisms we typically 3D print with ABS. For a list of reasons why and a comparison of the two most common 3D printing plastics (ABS and PLA) for 3D printing readhere.
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