... balloon, inflatable bags, roller bags, air lifting bags, salvage bags. Airbags now are used for ship launching, loading, and floating. ... resistance, high gas tightness, ageing resistance, and corrosion resistance.3. Easy to install and dismantle on the wharf and ... to distribute the stress evenly providing strong efficient reinforcement. 3. End Fittings: End fittings include air tightness swivel and ...