▎ 摘　　要

NOVELTY - A double layer glass cup comprises 70-80 pts. wt. quartz sand, 5-8 pts. wt. limestone, 6.5-7 pts. wt. sodium feldspar, 0.5-0.5 pt. wt. potassium feldspar, 10-15 pts. wt. soda ash, 3-5 boric acid, 1-2 pts. wt. graphene, 10-15 pts. wt. silica whiskers with transverse diameter of 10-50 nm, length of 50-800 nm and aspect ratio of 5-20 times, 1.8-3.3 pts. wt. zirconium oxide, and 0.3-0.5 pt. wt. cesium carbonate. USE - Double layer glass cup. ADVANTAGE - The double layer glass cup has improved tensile strength, wear resistance, long service life, improved safety, and is prepared by a simple method. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of the double layer glass cup.