ipc 6012 class 2 thin flex pcb

{"cid":"91168117","title":"Double-sided flexible PCBs White coverlay Flex PCBs Cable Polyimide PCBs with Immersion Gold Passed IPC 6012 Class 3","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/fa\/3ba2c5b049f386e151d851d827fe-200x200-1.jpg","attrs":{"Price":"USD50~60","Brand Name":"Bicheng Enterprise Limited","Model Number":"BIC-0405-V4.05","Minimum Order Quantity":"1","Delivery Time":"5-6 working days","Certification":"UL","Place of Origin":"China","Payment Terms":"T\/T, Paypal","Supply Ability":"45000 pieces per month","Packaging Details":"Vacuum","Board Material":"PET 25\u00b5m Shengyi 60\u2103","Board Thickness":"0.15mm","Surface Cu thickness":"35 \u00b5m","Coverlay Colour":"Yellow Top \/ White Bottom","Color of Silkscreen":"Black","Surface Finish":"Immersion Gold","Function":"100% Pass electrical test"}}

{"cid":"91197854","title":"Multilayer Flexible Printed Circuit (FPC) 4-layer Flex PCB with 0.25mm Thick and Immersion Gold for Display Backlight","imgUrl":"https:\/\/img.chinax.com\/nimg\/37\/9c\/3fd34a9df4637e7e1a7151473f83-200x200-1.jpg","attrs":{"Price":"USD9.99-99.99","Brand Name":"Bicheng","Model Number":"BIC-286.V1.0","Minimum Order Quantity":"1PCS","Delivery Time":"8-9 working days","Certification":"UL, ISO9001, IATF16949","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"5000PCS per month","Packaging Details":"Vacuum bags+Cartons","Base material":"Polyimide","Layer count":"4 Layers","PCB thickness":"0.25mm","PCB size":"170.48 X 40.28mm","Coverlay":"Yellow","Silkscreen":"White","Copper weight":"1oz","Surface finish":"Immersion gold"}}