Pressure Sensitive Film (Prescale Film) Custom multi-range pressure testing film with PET substrate, divided into two types: two-sheet for micro & low pressure, single-sheet for normal pressure. The microcapsules inside will break and turn red under pressure, darker color means higher pressure, to visualize pressure distribution, find high-pressure spots and assembly defects directly. Advantages High sensitivity & accurate measuring result Bright and uniform color rendering, easy to check tiny flaws 3 years long shelf life, convenient for bulk stock Made of imported PET material, supported customized cutting size Independent patented production technology, large mass production capacity Application Widely used in electronics, LCD screen, auto parts, mold, new energy lithium battery, rubber sealing inspection for static pressure test.