An absorbent form of silicon dioxide often wrapped in small packets that is shipped with equipment to absorb moisture. Silica gel packets are desiccants. Silica gel packets can be used to remove ...
They contain silicon dioxide, aka "silica." Silica can absorb moisture and keep things dry. Here's how: 1. Water-damaged phone? Leave it to silica to dry it right up. 2. De-clump salt or sugar.