... .3N/cmTwist≤0.5%≤0.5%Insulation resistance≥1011Ω≥1011ΩTest voltage10-300V10-300VFinished board area560×970mm560×970mmMin. Line Width and ... ºC 5 second245ºC 5 secondThermal cycling ability288ºC 10 second288ºC 10 secondSurface FinishingOSP, HAL, Immersion gold , Gold plating, Rosin, Gold ...