hermetic

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hermetic

, hermetical
sealed so as to be airtight
References in periodicals archive ?
Today, the company has two major product lines: (1) the production of automotive starter batteries; and (2) the production of hermetical VRLA (Valve-Regulated Lead Acid) batteries.
Inyx's first proprietary product is a wound-care spray utilizing a barrier-pack technology, which allows a hermetical seal between the product and the propellant and, in turn, permits effective spraying from any angle.
This technology enables sustained 360- degree spraying with no loss of propellant while allowing a hermetical seal between the product and propellant, therefore overcoming any incompatibility issues between the active product and the propellant.