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Silica Gel Blue semi-transparent glassy substance containing an indicator as “Cobalt Chloride” a heavy metal salt. When free from moisture the Granules or beads are dark blue in colour. As the beads take up moisture, they turn to light blue gradually & When they turn pink, When the gel has absorbed approximately 8 % percent of its weight in water the coloured crystals will turn from blue to pink making an easy visual indicator of whether the gel has become saturated with moisture. It indicates that the gel needs to be replaced or regenerated. The indicating silica gel will still adsorb up to 40% of its weight in water vapour just like the non-indicating In fact, it is mainly used as an indicator for the extent of dehumidification and moisture absorption in the sealed vessel and Silica Gel Breather Industry. Blue Silica Gel is also known as Indicating Silica Gel, Self Indicating Silica Gel, Blue Desiccants, Moisture Absorber.
Dehumidifying and dehydrating agent, air condition, drying of compressed air and other gases, and liquids such as refrigerants and oils containing water in suspension.
Silica Gel is a granular, vitreous, porous form of silicon dioxide made synthetically from sodium silicate. We are successful Manufacturers and Suppliers of Silica Gel from Maharashtra. The Silica Gel we make available is tough and hard and it has an average pore size of 2.4 nanometers. Our Silica Gel is known for its accurate composition and immaculate quality packaging. We are capable of delivering bulk orders of the Silica Gel.
Blue silica gel regeneration after water absorption
Thermal Heating within temperature limit is very important factor for removal of moisture from BLUE SILICA GEL. Under fully control of electric heating furnace 100-120℃ for blue gel indicator. While other silica gels can be kept in various temperature range, during regeneration should not exceed the following limits:
Coarse porous silica gel should not be higher than 600℃.
Fine porous silica gel should not be higher than 200℃.
Blue gel indicator agent (or discolored silica gel) should not be higher than 120℃.
Silica-aluminium gel must not be higher than 350℃.
The water content of regenerated silica gel is generally controlled below 2% and can be reused.