Available in a variety of formulations, the quality, purity and proven performance of PPG’s precipitated silica products enables them to function as premium, value-focused alternatives to fumed silica in black, non-black, colored, and translucent silicone rubber compounds by incorporating the following mechanical properties:
Excellent tensile-strength, tear-strength and flex-fatigue resistance
Cost-effective reinforcing strength
Reduced crepe hardening
Outstanding compression-set resistance
Exceptional resistance to heat-aging
Together, these properties have the potential to reduce costs and process inefficiencies for silicone rubber compounders by providing:
More flexible inventory management through reduced shelf hardening
Faster, more efficient mixing and re-milling of elastomers
Less fly-loss-related product waste
Through its flagship HI-SIL® silica product line, PPG offers a complete selection of specialized synthetic amorphous precipitated silica formulations that integrate physical properties such as particle size, surface area and pH levels according to the demands of both the compounder and the ultimate end-user.