The properties of precipitated silica
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The properties of precipitated silica are affected by precipitation conditions such as acidity, temperature
Compared with the silicone rubber compound reinforced with fumed silica, the compound reinforced with precipitated silica has slightly lower mechanical strength and poorer dielectric properties, especially after being exposed to moisture, but is resistant to aging. The performance is better and the cost of the compound is much lower. When the mechanical strength of the product is not high, precipitated silica can be used or it can be used in combination with fumed silica.
