... projects. High-quality Marine rubber Airbags ---SPECIFICATION DIAMETERWORKING PRESSUREWORKING HIGHTGUARANTEED BEARING CAPACITY PER UNIT LENGTHKN/mT/MLb/ft D=1.2m ... usually, our airbags contain 4, 5, 6, 7, 8, 9 layers types. Other type is still available upon ... floating bridge, aquatic pipeline, dropping off oiltanker, navalships protection.(8) Public Security : Airbags shelter partition for blasting(9) ...