Shin-Etsu Polymer Co. Ltd. (TYO:7970) posted its business results for fiscal 2018 on April 25, revealing an increase to both sales and profits. The results show that the manufacturer of silicone molding materials generated 85.46 billion yen in sales for the year, up by 7.7 percent year-on-year. Operating profit came to 8.15 billion yen, up by 13.1 percent; ordinary profit…