▎ 摘　　要

NOVELTY - A tannin extract foam material comprises 10-30 pts. wt. tannin extract containing greater than or equal to 70% tannin, 10-20 pts. wt. furfuryl alcohol, 5-10 pts. wt. crosslinking agent, 8-20 pts. wt. catalyst, 5-30 pts. wt. water, and 0.1-1.5 pts. wt. conductive material. USE - The tannin extract foam material is useful for preparing high performance, environmentally-friendly, degradable electromagnetic shielding material used in multimedia, thermal insulation, packaging, transportation, military, and aerospace industry. ADVANTAGE - The tannin extract foam material has high electromagnetic shielding function, and excellent flame retardance and heat insulation performance, prevents interference in electric appliance, and reduces the harm of electromagnetic wave to human body. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the tannin extract foam material.