The modacrylic cotton FR knitted single jersey fabric owns the permanent FR property which is washable for at least 50 times. The clothing made of this fabric has the features of washable, non-toxic, tasteless, no stimulation, light weight and soft, moisture absorption and breathable, elasticity and extensibility. It is a good choice for hot and fire risk working environment. This fabric was mainly used in oil & gas, firefighting and other industry.