PTFE thermal insulation fabrics is designed to make removable insulation jacket for pipe lines, fitting, strainer, regulator, heater, steam traps, valves, flanges and pump. PTFE glass fabric is applied as insulation blanket or as the outer cover of this insulation jacket, the material is easy sewn, can be cut and stitched to customize various shapes of insulation jackets, this removable insulation covers are an effective, convenient, and low cost solution to reduce heat loss and lower energy bills. It prevents heat loss and protect employee from being hurt by using insulation jackets.