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Santoprene TPVs extrude easily into single and complex profiles. They have very good melt strength and exhibit low die swell.
Santoprene TPVs can be co-extruded to yield a part with both rigid and soft components. ExxonMobil has also developed both chemical and patented water-foaming technology to improve profile flexibility and reduce part weight.
Download our extrusion guidelines and discover how easy Santoprene TPV is to extrude into single and complex profiles to yield rigid and soft components.
Tips for extruding Santoprene TPVs
Innovative robotic extrusion technology developed by ExxonMobil and GEPOC Verfahrenstechnik GmbH in Germany is an effective solution for producing multifunctional rigid/soft part combinations with Santoprene TPV as the soft sealing component.
While the injection molding process is widely used for the production of hard/soft material combinations, it is difficult to produce large, complex or hollow soft profiles, especially on larger parts. Robotic extrusion technology is one option to overcome these difficulties, enabling soft profiles to be extruded onto or around rigid substrates. Adhesion to the substrate is achieved using mechanical fixation, a bonding agent or, in the case of a polypropylene substrate, heat welding.