Drill Entry Exit MDF board for Printed Circuit Board Drilling White Faced MDF melamine wood fibreboard is a drilling backup material for drilling pcb micro holes. It is suitable for micro sized holes on precision multi-layer circuit boards etc etc . This is an alternative material to Phenolic back-up board, its surface area hardness is as great as Phenolic board, it is a much more environmentaly friendly material. The material Minimizes Burring – Offers a flat. hard surface area for greatest support to reduce burring. Reduces Drilling Temps. Offers excellent thermal dissipation characteristics, leading to reduced drill wear and minimized temperature related hole defects.
