... copper foilClassification UNIT9um12um18um35um Products width rangmmMax,1295Max,1295Max,1295Max,12951Cu %Min,99.8Min,99.8Min,99.8Min,99.82Area weight G ... ,15.0Min,18.0Min,18.0Min,18.04Elongation Normal temperature%Min,5.0Min,5.0Min,6.0Min,8.0At 180°CMin ... .8Min,0.9Min,1.0High temperature S4(260°C/20sec.)Min,0.36Min,0.36Min,0.4Min,0.57Degraded rate of ...