The history of paper honeycomb invention can be traced back to ancient China, where it is speculated that Chinese people made paper honeycomb structures for decorations about 2,000 years ago, but related records have not been confirmed yet.
The inspiration for honeycomb structures comes from nature. As early as the fourth century, the Greek mathematician Pepos pointed out that hexagonal honeycomb are the most efficient building form in nature, which can achieve maximum strength with minimal materials, providing a theoretical foundation for subsequent material design.
The invention of paper honeycomb can be traced back to the late 19th century and early 20th century, based on the imitation of natural bee hive structures.
In 1878, a patented honeycomb forming process using a mixture of paper pulp glue was used for beekeeping purposes; In 1901, German inventor Hans Heilbrun invented the paper honeycomb structure in Halle/Saale, Germany, initially applied in the decorative field, and developed the three basic technologies (expansion, corrugation, and molding) still in use today;
The industrial application of modern honeycomb panel as a sandwich structural material began in 20th century.
1. Technological Origin Stage (Early 20th Century)
Honeycomb panels originated from the lightweight requirements of the aerospace industry, Initially made from aluminum foil, the process was immature and costly, making large-scale application difficult.
2. Technological Maturity Phase (1950s)
With the growth of demand in the aviation field, the production process gradually improved, and costs began to decrease. During this period, honeycomb panels were mainly used in the manufacture of aircraft, rockets, and other aerospace vehicles, solving the problem of the weight of the transport vehicle.
3. Application Expansion Phase (1980s to Present)
The honeycomb panel industry in developing countries began in the 1980s and gradually expanded from the aviation sector to multiple fields such as construction and transportation as industrialization accelerated. After entering the 21st century, production capacity and output significantly increased with the requirements. It is widely use in packaging, construction, military, aviation aircraft (door, bulkhead, tail, floor, radar cover, luggage rack, ceiling, etc.), rail transit (car side panels, roof panels, seats, partitions, luggage racks, sunroof panels, etc.), manufacturing of ships, yachts, sports equipment, electrical insulation, and communication equipment.
As a leading honeycomb R&D and production company, CMAG observe that the honeycomb industry will develop as followed trends:
- Enhanced Composite Materials usage: Continuous fiber reinforcement technology increases the specific strength of structures by 3-5 times compared to traditional alloys, and the application of high-performance materials such as Aramid fiber, carbon fiber and glass fiber will further expand.
2. Continues Improving Production Process
- Continuous hot pressing process reduces production cycle by 30%, and the penetration rate of intelligent manufacturing equipment increased from 37% in 2022 to 62% in 2025.
- Digital production enables intelligent control of the entire process, and automated equipment improves product consistency and quality stability.
3. Continuous Expansion of Application Fields
- Demand in the new energy vehicle sector is growing rapidly, with the usage of honeycomb panels in power battery packs and cable protection increasing by 45% year-on-year in 2025.
- 5G base station construction, aerospace, marine engineering, and other high-end fields will become important growth points.
- Emerging fields with strong demand for weight reduction, such as commercial communication satellites, space communications base-station, space solar power generation, intelligent robots, etc.
4. Sustainability-oriented
- The proportion of recyclable materials has significantly increased, with the share of recycled material in honeycomb panel manufacturing rising from 15% in 2022 to 28% in 2025.
- The application of environmentally friendly polypropylene honeycomb panels in the packaging industry is expanding, and the proportion of degradable materials is continuously increasing.
Public information shows that the global market size of honeycomb panels is expected to exceed $28 billion by 2030, with China's market share accounting for 31.2% of the global market. Technological innovation and green transformation will become the core driving forces for industry development.