Introduced in 1948, our flagship PPG HI-SIL® synthetic amorphous precipitated silica products are among the industry’s most trusted and proven products. They are engineered for applications in a wide range of industries such as:
- Reinforcing fillers for tires, and industrial and silicone rubber
- Microporous fillers for battery separators
- Free-flow and carrier agents for agricultural and industrial chemicals
- Thickeners and thixotropes for coatings, adhesives and sealants