Mark 6717 Barium zinc Crompton-Witco Heat stabilizer for PVC plastisols >> Barium / Zinc Polyvinyl Chloride (PVC) MARK ® 6717 Solid Barium/Zinc PVC Heat Stabilizer Mark 6717 is a solid Barium/Zinc heat stabilizer for filled, flexible injection molded or extruded PVC compounds. It is particularly well suited for injection molded and extruded automobile body side parts. Mark 6717 is suggested as a non-cadmium replacement for solid barium/cadmium stabilizers in various injection molding and extrusion applications. It offers extended heat stability performance in such compounds. Solid, non-cadmium, barium/zinc heat stabilizer for filled, flexible injection molded or extruded PVC compounds. Provides extended heat stability performance.