▎ 摘　　要

NOVELTY - High strength pencil core comprises 40-60 pts. wt. sodium thiosulfate, 20-30 pts. wt. sodium humate, 3-6 pts. wt. graphene, 8-16 pts. wt. talc, 2-4 pts. wt. food grade paraffin wax, 5-12 pts. wt. sodium carboxymethyl cellulose and 1-3 pts. wt. clove oil. USE - Used as high strength pencil core. ADVANTAGE - The high strength pencil core has bright colors, excellent antibacterial features and high strength; and is not easy to break and environmentally friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing high strength pencil core comprising heating sodium thiosulfate to melt and adding sodium humate and talc, mixing sodium carboxymethyl cellulose, adding clove oil, graphene, and melting food grade paraffin, mixing, pouring into mold, drying, and removing.