A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers, but as technology advanced, it applied to a larger category of materials, including metals, and rubber.
A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers, but as technology advanced, it applied to a larger category of materials, including metals, and rubber.
Source: Wikipedia "Hermetic seal" · CC BY-SA 4.0
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