What is Process Quality Control at Honeycomb Machine? Paper Honeycomb Core comes in many different shapes such as hexagon, rectangle, reinforcement, etc. Its performance depends on the material, cell shape and size, etc., anisotropic, the shear strength of the regular hexagonal honeycomb core material along the L direction is about twice that of the W direction. Mainly used as aircraft radome, radome, aircraft floor, rudder, etc.