From the chart, it is evident that different models of hydrophobic silica have significant differences in BET surface area. Among them, the RH921 and RH911 products exhibit the highest surface area performance, reaching 300 m2/g. They are closely followed by RH917 and RH926, which have surface areas of 200 m2/g and 150 m2/g respectively. These high surface area products typically imply stronger adsorption capacity and dispersion performance.
In contrast, RL907, RH907, and RH9017 have relatively low surface areas, all measuring 50 m2/g. This low surface area characteristic may give them an advantage in certain specific applications, such as in scenarios requiring lower oil absorption or better flowability.
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