. Glass-lined vessels are made by bonding a layer of glass to steel, as pointed out previously. Because steel and glass have different coefficients of thermal expansion, glass-lining failure may end up from abrupt variations from the temperature in the glass, creating smaller, but thick, pieces of glass to fracture https://sergiopfqy53648.ageeksblog.com/27807211/how-to-check-the-ph-of-a-glass-lined-reactor