... , higher cost, lower inflation (small sealing gap). Inflatable seal is mainly used in airplane-cockpit, aircraft carrier hatchway, fire-door ... air tight door, etc..2. Main materials1> If there is no special requirements, inflatable seal is usually made of the mixed materials of ... service temperature ranges from -30oC to +80oC.3> If the inflatable seal is required to use at the temperature of -55oC to ...