Materials for printed boards and other interconnecting structures - reinforced base materials, clad and unclad - phenolic cellulose paper reinforced laminated sheets, economic grade, copper - clad.

Aerospace series. Honeycomb materials with tubular cells, hexagonal, kraft paper, phenolic resin impregnated. Product standard.

Researching on the new producing technique and curing mechanism of CO_2-cured phenolic resin binder in this paper is developed to be meet the requirement.