Chlorine resistance of polyurethane filament is studied.

Effects of various functional finishing on color fastness were discussed, such as softening, wrinkle resistance, Nano-Tex water and oil repellent, and improving the fastness to chlorine.

The result shows that high content fly ash active powder concrete has small volumetric shrinkage and excellent anti-carbonization resistance to penetration of chlorine ion and to sulfate corrosion.