The material is used as a back-up board in the manufacturing of printed circuit boards.
• W-BACK UP, W25 STANDARD offers excellent flatness and with the tightest thickness tolerances.
• Uncoated drilling back-up board with a smooth surface.
• The flat, hard but flexible surface ensures excellent cutting with almost any drilling tools.
• Usable on both sides.
• It has no phenolic resin, FHC, formaldehyde or hydrotropic additives.