3mm Grain

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　　Product Name: 3mm dry ice particles Dry Ice

　　Molecular formula: CO2

　　Application:

　　The casting industry of dry ice cleaning has been widely used in the world, casting has mostly replaced by dry ice cleaning to clean the mold and the fixed mold core.

　　Dry ice cleaning principle:

　　Energy transfer". Dry ice high-speed impact to the cleaning surface, impact energy dissipation, and cleaning the surface of dry ice particle heat transfer is extremely fast, instant sublimation of carbon dioxide.

　　Low temperature cracking". Two different materials with different thermal expansion coefficients, the temperature difference between them, will destroy the bonding between the two materials. Dry ice particles (-78.5 degrees Celsius) impact on the surface of the treatment, so that the dirt frozen to brittle and burst, resulting in "cracking", affecting the mechanical properties of adhesive dirt.

　　Micro explosion". After being drilled into the dirt cracks, the dry ice sublimate in a few minutes of a second, expanding its volume by 600~800 times, stripping the dirt off the surface of the object.

　　The process of dry ice cleaning, using compressed air as power, the dry ice particles injected into the surface of the object to be cleaned by supersonic, kinetic energy but not only rely on dry ice particles, but the use of dry ice in ultra low temperature performance reached the purpose of decontamination.

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