Silica gel is a kind of silicone rubber.
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Silica gel is a kind of silicone rubber. It is classified as a one-component room temperature vulcanized liquid rubber. Once exposed to the air, the silane monomers in it will condense to form a network structure. The system is cross-linked. It cannot be melted or dissolved. It is elastic. In a rubbery state, bonding objects together. Its thermal conductivity is slightly higher than that of ordinary rubber. Once cured, it is difficult to separate the bonded objects. According to some chemistry books, "silica gel" should be a condensate of silica, which is classified as an amorphous substance. Insoluble water and any solvents are non-toxic, tasteless, chemically stable, and do not react with any substances except strong alkalis and hydrofluoric acid.
