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In today's world, modern construction has become increasingly complex. The need for new materials and technologies that can meet the demands of high-performance buildings is growing, prompting the development of innovative solutions that can deliver both energy efficiency and fire safety. One such solution is phenolic foam boards.   What is Phenolic Foam? Phenolic foam is a kind of insulating material, which is famous for its excellent high R value, fire resistance and flame retardancy. It is made from phenol formaldehyde resin, a polymer consisting of long chains of phenolic molecules that are cross-linked with formaldehyde. The resulting foam has a closed-cell structure that provides excellent thermal insulation performance, while its fire resistance properties make it ideal for use in buildings where safety is a top priority.   What are  Phenolic Foam Boards ? Phenolic foam board is a kind of  insulation board  made of phenolic foam. Its surface can be compounded with a variety