▎ 摘　　要

NOVELTY - A sealant comprises 25-38 pts. wt. yellow river sand, 20-35 pts. wt. dry fine sand, 10-25 pts. wt. sludge, 12-20 pts. wt. cement, 2-10 pts. wt. rosin, 4-12 pts. wt. granular aggregate and 0.05-5 pts. wt. graphene composite material. USE - Sealant used as construction material. ADVANTAGE - The sealant uses environmentally-friendly raw materials, effectively absorbs formaldehyde in air, and is manufactured economically with reduced energy consumption. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of sealant.