
SD-002 regular waterproof and breathable membrane
Product Introduction Shangda SDA(e-PTFE) film adopts expanded polytetrafluoroethylene to achieve uniform stretching and three-dimensional network structure. The diameter of the micropores is 0.1-10μm, the molecules of air and water vapor are 0.0004μm, and [...]
SD-003 high permeability waterproof breathable membrane
Product Introduction Shangda SDA(e-PTFE) film adopts expanded polytetrafluoroethylene to achieve uniform stretching and three-dimensional network structure. The diameter of the micropores is 0.1-10μm, the molecules of air and water vapor are 0.0004μm, and [...]
SD-004 waterproof and oil-proof breathable membrane
Product Introduction Shangda SDA(e-PTFE) film adopts expanded polytetrafluoroethylene to achieve uniform stretching and three-dimensional network structure. The diameter of the micropores is 0.1-10μm, the molecules of air and water vapor are 0.0004μm, and [...]





