Copper Clad Laminate, abbreviated to CCL, is a type of basic product of PCBs. With glass fiber or solid wood pulp paper as reinforcing product, a CCL is a type of product through lamination with copper clad on each one side or both sides of reinforcing product after getting soaked in resin. for more info visit: https://readersmarkethub.blogspot.com/2020/11/complete-introduction-of-copper-clad.html