Polyester base layer material rolled copper metal layers Multilayer use Substrate: Substrate thickness: 0.025mm --- 0.125mm copper thickness: 0.009MM0.018mm 0.035mm 0.070mm 0.010mm rolled copper sided collapsible good , tensile strength, and material elasticity smaller; laminate analysis: PI film + glue + substrate (copper line glue + PI + glue + base + copper line) + glue + PI film; soldering resistance: 84 --- 105 ℃ / 280 ℃ --- 360 ℃ product range: single fpc, double-sided fpc, multilayer fpc, double-sided Flex PCB, Multilayer Rigid-Flex PCB, module board, camera plate, backlight panels, light of the plate, hollow board, cable panels, mobile phone board, touch panel, keypad, etc. The minimum line width: 0.075mm / 0.075mm (3mil / 3mil) minimum drilling aperture: 0.15mm (6mil) Minimum punching Aperture: φ0.50mm minimum cover film bridge width: 0.30mm drilling minimum spacing: 0.20mm anti-flexing capacity:> 150,000 times Etching tolerance: ± 0.25 mil exposure for tolerance: ± 0.05mm (2mil) Ink type: sensitive solder oil, UV curing oil, local solder oil protective film, peelable solder oil, carbon paste, silver ink colors