Rock wool core panels tend to be the priority choice for Cleanroom that requires better insulation. Aluminum honeycomb panel is the most popular for microelectronics due to its non-out gassing, non-particle shedding and static dissipative criteria’s. Furthermore, its light weight and non-combustible characteristics are well accepted by the industry too. For pharmaceutical application wall panel, the most important criteria will be withstanding repeated cleaning and sanitization towards various chemicals to resist micro bacterial and fungal growth.