It is understood that an anti-humidity box for optical instruments organized by an anti-aircraft artillery regiment of the Hubei Military Region has recently passed the identification of the relevant department of the headquarters.
This achievement has improved the service life of optical instruments of anti-aircraft artillery units, changed the traditional methods of evacuation, nitrogen filling, and silica gel release. The use of molecular sieve, a hygroscopic material that has undergone two crystallization processes, has increased the service life of optical instruments 8-10 years, and can automatically control the humidity, effectively solve the problem that the southern army optical instruments are prone to mold and fog.
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