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Allochroic silica is the addition of silica and inorganic salts with crystal water, small amounts of silicon dichloride, such as cobalt salts. When it is dry and loses the crystal water, it is blue. When it absorbs water and obtains the crystal water, it is pink. Allochroic silica can be recycled. When the color changes, it can be baked in a dry box to return to the anhydrous state for continuous use. The blue silica points can be divided into blue glue indicator, allochroic silica and blue glue. The appearance is blue or light blue glass particles.
It is usually used as an indicator. Its characteristic is that it will turn red after absorbing moisture. When it is not hygroscopic, the particles are blue. When it is wet, the colloidal particles absorb moisture and gradually become light blue. When it continues to absorb moisture, it will turn pink to indicate that it needs to be replaced with a new silica for continuous use. When it is used in conjunction with ordinary silica desiccants, it can indicate the degree of moisture absorption of desiccants and the relative humidity of the environment.
Applications
It is mainly used for moisture absorption and rust prevention of instruments and meters under closed conditions. It can be widely applied in aviation, military, power industry, civil and other moisture-proof function and humidity indication.
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田小姐 – :
兰色变色 Desiccant very goodEasy to use
郝总 – :
Blue allochroic desiccant very good,很智能精准
钱总 – :
兰色硅胶变色 Desiccant very good?很精准的
邹女士 – :
蓝色变色 Desiccant挺智能,指示效果好!
夏先生 – :
蓝色变色 Desiccant非常精准。
廖总 – :
蓝珠 DesiccantEasy to use,很精准, very good!
戴总 – :
变色 DesiccantEasy to use。很智能。好精准。
叶天 – :
蓝色 Desiccant very good,挺好的!
吕先生 – :
蓝色Silica desiccantEasy to use。好精准。
袁先生 – :
蓝珠 DesiccantEasy to use,指示相当精准!