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Flexible composite materials , composite aerostat skin material (OV21(A)-750)
Description:
OV21 (A)-750 is special functional composite material with great flexibility. Specifically, it could be applied to aerostatics such as middle-low altitude airships, heavy loading airship, high altitude floating capsule for military and civil use.
Parameter:
| Tensile strength (J/W,N/cm): | 871.8/909.6; |
| Tearing strength (J/W, N): | 537.0/532.7; |
| Helium permeability (L/m2•24h•atm): | 0.034; |
| Areal density (g/m2): | 149.0 |