▎ 摘　　要

NOVELTY - A high-strength silicon carbide shelf plate contains 30-40 %mass silicon carbide particles, 15-20 %mass silicon carbide crude powder, 14-19 %mass silicon carbide rough powder, 5-10% silicon carbide powder, 10-15 %mass graphene, 2-4 %mass composite antioxidant, 6-8 %mass composite binding agent 0.2-0.5 %mass rosin powder and 0.7-1.5 %mass carbon nanotubes. USE - High-strength silicon carbide shelf plate (claimed). ADVANTAGE - The silicon carbide shelf plate has excellent thermal shock resistance, oxidation resistance, slag resistance, alkali metal corrosion resistance, thermal insulation properties, high-temperature stability and strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of high-strength silicon carbide shelf plate.