Precipitated Silica Solutions for Industrial Rubber ...
4 HISIL® Reinforcing Silica Fillers When PPG introduced HISIL® precipitated silica in 1948, it represented an industry breakthrough. In addition to being more dispersible than other reinforcing fillers of the era, HiSil silica products were the first of their kind to be costcompetitive with carbon black. Today, HiSil reinforcing fillers remain among the bestknown and most trusted ...