You must have seen small packs neatly placed inside the carton box that your recent purchase came in. Be it electrical and electronic goods, shoes, and toolboxes, these little packets are extensively used in product packages.
These little hygroscopic packets are actually silica gel packs. The silica gel inside the packs acts as a desiccant, adsorbing water and preventing moisture build-up.
Silica gel prevents dampness and condensation to protect valuable products against rust, mould, mildew and rust. No wonder silica gel sachets are extensively used in packaging solutions & products.
What Purpose Does a Silica Gel Packet Serve?
The petite little packets that you find in food products, medicinal bottles and a host of other items contain silica gel pellets. Silica gel’s inordinately high ‘specific surface area’ (approximately 800m2/g) allows it to easily adsorb water which makes it a very effective desiccant. In fact, silica gel is able to ad