▎ 摘　　要

NOVELTY - Mortar comprises 60-88 pts. wt. sulfoaluminate cement, 100-150 pts. wt. quartz sand, 10-25 pts. wt. heavy calcium powder, 15-30 pts. wt. pasty attapulgite clay, 13-18 pts. wt. kaolin, 22-27 pts. wt. polyacrylamide, 5-19 pts. wt. polyvinyl alcohol, 0.5-2.6 pts. wt. graphene, 0.9-2.2 pts. wt. lignosulfonate, 5-9 pts. wt. glass fiber, 3-7 pts. wt. defoamer, and 0.2-0.4 pt. wt. early-strength admixture. USE - Mortar is used for repairing concrete slabs. ADVANTAGE - The mortar has excellent compatibility with building concrete, bonding strength, and other mechanical performance, and enables easy construction. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of mortar.