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Silica gel is a highly porous, amorphous form of silicon dioxide that has remarkable moisture-absorbing properties. It is commonly found in small packets or canisters placed inside packaged products to help control humidity and prevent moisture damage. This desiccant works by adsorbing water vapour molecules from the surrounding environment, effectively trapping them within its porous structure. Silica gel is non-toxic, odourless, and chemically inert, making it a safe and reliable choice for various applications. Its ability to absorb up to 40% of its weight in moisture makes it an indispensable tool for protecting moisture-sensitive items like electronics, pharmaceuticals, food products, and even clothing during storage and shipping. When the silica gel beads change colour from blue or orange to pale, it indicates saturation, and the packet or canister needs replacement. With its remarkable moisture-controlling capabilities, silica gel offers a simple yet effective solution for maintaining optimal humidity levels and prolonging the shelf life of countless products.