FR4,FR1,CEM1 0.8-1.2,1.5,1.6mm, H/H,H/0,1/1,1/0 We can offer the sheets of FR4,FR1 and CEM1,the size is 40x48". The scrap of ccl including the FR4,FR1 and CEM1,the width is from 30-50mm; 50-80mm;80-100mm;above 100mm. The length of scraps is from 300mm to 1220mm. These scraps is collected from the big pbc factory of China.