HDF wood that is coated with liquid melamine that penetrates and cures to the HDF, creating an integral bond between the two. PolarBack™ has a hard and extremely smooth melamine surface that creates superior, intimate contact with the exit side of the PCB, controlling exit burrs to very high standards.
PolarBack™is an affordable high-quality melamine backup that offers:
• the capability of bearing up under the heat of even smaller drill bits
• cool performing to dissipate heat, reducing drill wear and breakage
• a hard surface to minimize burrs
• a white surface for hole visibility
• Excellent visualization after drilling due to its light surface color.