... This form is of my company's process capacity for your reference, for more messages, pls contact with us freely!ItemSpecification MaterialFR ... RoHS Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0. ... percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! mcpcb material for led tube light