commercial grade aluminum honeycomb 1.Flame resistant 2. corrosion resistance 3. ... to size expanded sheets.3003 aluminum honeycomb uses include air/light directionalization, energy absorption, tooling, ceiling and floor panels, counter ... Class A Grade), NFF16-101(meet F1 Grade), strictly conforming to stringent smoke, toxicity and flammability standard. AC-3003 commercial grade aluminum honeycomb