68% Warranty Rejection Rate on Cooktop Fractures: Glass-Top Gas Stove Thermal Shock & Crack Audit (2026)
68% Warranty Rejection Rate on Cooktop Fractures: Glass-Top Gas Stove Thermal Shock & Crack Audit (2026) Executive Summary: Toughened glass cooktop fractures occur primarily from steep thermal gradients caused by oversized cookware trapping heat against brass burners. While manufacturers market 7mm to 8mm panels as impact-resistant, trapped heat exceeding 220°C breaks the glass compressive stress…