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In our variety of blue silica gel, all the particles of silica gel are impregnated with an indicator. The particles of blue silica gel are blue in colour when it is free from moisture and it is packed at this state in air tight container. As the particles of blue silica gel pick up moisture, it gradually turns pink and gives a ready indication to the user that it has done its work and requires replacement or regeneration. It is also used as silica gel drier for the packing of precision instruments, leather goods, clothes, foodstuffs, medicines and household electric appliances etc.
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