honeycomb aluminum foil is composed of several layers of aluminum foil, laminated, and then stretched into regular hexagonal honeycomb core. Aluminum honeycomb core with sharp, clear hole wall, no burr, suitable for high quality material bonding and other USES. Aluminum honeycomb core main advantages are: (1) aluminum fire nonflammable; (2) the surface has strong corrosion resistance after epoxy fluorocarbon treatment; (3) pure aluminum products are environmentally friendly and...