Meets MIL Spec MIL - T-27730A , Thickness is 4., 3 milli-inches , Density is 1., 25 - 1., 55 gram per cubic centimeter Features. Designed for use on difficult service conditions associated with stainless steel, aluminum & brass threaded connections; Helps prevent seizing and... Gasoila 1 inch x 260 inch for Stainless Steel High Density Nickel PTFE Specialty Series Thred Tape. Gasoila - 1901C Virgin PTFE Low Density Thread Seal Tape High Density Nickel PTFE Tape QANYEGN PTFE Tape Roll, High Density Thred Tape Roll, Sealing Tape High Density Tape For Stainless Steel Pressure range up to 10000 PSI. Gasoila Thred Tape - Nickel for Stainless Steel - John M. Ellsworth Company Helps prevent seizing and galling., Not with oxygen., Non-toxic. Designed for use on difficult service conditions associated with stainless steel, aluminum and brass threaded connections.