The main component of silica gel is silica, which is chemically stable and flame-resisting. Silica gel is a kind of non-crystalline silica. The dust content inside the workshop should be controlled to be no more than 10mg/m3. The workshop shall be well-ventilated. Operators should wear mouth-muffles when processing.

The strong adsorption capability of silica gel may cause drying effects on human skins. Therefore,operators should be instructed to wear working clothes when processing. If silica gel accidentally comes into one's eyes, be sure to wash them using a large amount of water and seek for medical care as soon as possible.

Containing small amount of cobalt chloride and being toxic, blue and orange silica gel should be kept from contacting the foods and inhaling into one's mouth. Seek for medical care as soon as possible once there is a poisoning accident.

Colloidal silica/silica sol's main composition is silicon dioxide and water, it is also non-toxic.But its main application is not absorption.