Sorbead India offers Blue Semi-Transparent Silica Gel. Sorbead India is an ISO 9001: 2000 accredited company supplying a wide range of adsorbents and desiccants such as silica gel, cargo desiccant bags, container desiccant bags, desiccant bags, pharmaceutical coils and laminated aluminium tubes. The Blue Semi-Transparent Silica Gel is extensively used as indicator for dehumidification and moisture absorption in sealed vessel. The Blue Semi-Transparent Silica Gel is a glassy substance that contains an indicator such as cobalt.