▎ 摘　　要

NOVELTY - Curing material based on calcareous sand comprises 80-88 pts. wt. calcareous sand, 11-19 pts. wt. cement, 0.1-1 pts. wt. polypropylene fiber and 0.03-0.2 pts. wt. graphene oxide. USE - The material is useful for concrete curing material for engineering construction of building material, preferably concrete, concrete block, concrete slab, concrete tile, concrete flooring, concrete roofing and concrete walling. ADVANTAGE - The curing material has high curing strength, and reduces the production cost of the curing material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a preparation method of curing material based on calcareous sand.