Shin-Etsu Silicones of America Inc. highlighted a liquid silicone injection molding system in demonstrations at NPE.
The Akron, Ohio, firm says its KEG-2000 series has advanced handling and molding properties. The two components of the product are mixed in a 1:1 ratio. The silicone exhibits higher viscosity under low shear stress during pumping and shut-off and lower viscosity under high shear stress during injection. The result is fast mold filling and minimal flash.
The KEG-2000 series is engineered for high performance in cold runner systems with open or closed-nozzle configurations. Shin-Etsu claims the polymer has high clarity and ranges in Shore A hardness from 10 to 80. Physical properties meet demanding applications. According to Shin-Etsu, the silicone meets FDA, USP Class VI and ISO 10993 regulations.
KEG-2000 was run at NPE on Engel, Milacron, Roembke Manufacturing & Design,and Zeiger machinery.
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