... used on various occasions 1. Reinforced inflatable seal consists of rubber layer, fiber reinforced layer, outside rubber layer, air-valve, etc., its advantages ... mainly used in airplane-cockpit, aircraft carrier hatchway, fire-door, air tight door, etc..2. Main materials1> If there is no ... ranges from -55oC to +80oC, and sealing agents are water, air or other inert gases.2> If the seal needs contacting ...