... Copper-Clad PCB with ENIG. 2-Layer,Ceramic Base Copper-Clad PCB,ENIG,RoHS Compliance.CertificatesULISO9001TS16949ISO14001 ... Test (288±5ºC; 10 sec. inspect delamination, etc) Tape Test (adhesion test) Peel Test (conductor peel strength) Impedance ... Peelable Mask, Carbon PrintingMaterialFR4, ROGERS, Taconic, ARLON, BT, Ceramic, Aluminum Ceramic Material PCB