silica gel

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sil·i·ca gel

a precipitated form of silicic acid, used for adsorption of various gases.
References in periodicals archive ?
Another type of synthetic silica in general use is colloidal silica.
Reinforcing fillers such as synthetic silica are replacing colloidal carbon blacks in rubber reinforcement, offering significant benefits to the mechanical properties of rubber vulcanizates.
All facilities will utilize Huber Chemicals' Controlled Structure Technology, which is said to afford significant flexibility in the design, development and manufacture of a range of synthetic silica products that can be tailored to the needs of the industry and individual customers.
Nova's Tikuisis cautions that while synthetic silicas provide excellent optics, their antiblocking efficiency is generally not as high as DE or talc.

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