Good tape. The 540 inch reel is amazing, just a regular sized reel fully filled. Full thickness is mil, great tape. I will order again.
Pros
Size and Quality: Thickness: 0.004 inch (0.075 mm), Density: 1.3 g/cm3, Temperature resistance: -190 °C to 370 °C, Water pressure resistance: 16 MPa, Tensile strength: ≥8 MPa, Elongation: ≥25%