... core, they are composited by high pressure and heating. Fire-proof paper honeycomb main technical features:1. ... fire-retardant, quakeproof, insulation, environmental friendly. They are applicable to the apartments and external walls of building and truck body, ... deck, bulkhead, tank, canopies and accessories5) Closet, partitions6) Truck body, car roof, and trunk. Please give us the specification ...