1. The standard specification of lift air bags(launch bag).You can choose the required diameter and effective length to meet your projects.  1) Diameter (D) : It is from 0.8m to 2.0m.  2) Effective Length (EL): It is from 6m to 18m .  3) Total Length (TL): It is from 7m to 19.5m  The above specification only is our standard specification arrange. Other specification also can be supplied upon clients' request.2. The standard number of launch bag layers  We define the number of layer,Website:http://www.cnyutung.com, which means the number of Synthetic - tire - cord layer, in order to confirm the Safety Working Pressure. Normally, our launch bag(lift air bags) include 4, 5, 6, 7, 8 layers types. Other type is available upon clients' request.3. The material of launch bagThere're two kinds of synthetic-tire-cord because of the different performance.ItemUnit1400 dtex/21870 dtex/2Break StrengthN/ strandover 215.6over 284.2Diametermm0.65 +/- 0.050.74 +/- 0,05Adhesion StrengthN/cmover 137.2less 156.8