Resistance Against Wind for 6-8 grades Hydrostatic pressure: 20kpa+ Surface waterproof: ... has shown many Excellencies, such as terse structure, dismountability, fixity, wind Resistant, anti-uv, waterproof, constructing easily.The airbag was high-frequency ... -coated Fabrics, quickly air inflation by Electric pump.Resistance Against Wind for 6~8 gradesViable temperature: -30~+65°CHydrostatic pressure: ≥ ...