What Causes Oven Doors to Shatter?
Mark Meshulam from Chicago Window Expert identifies two scenarios for spontaneous oven glass breakage. Soda lime glass, used in oven doors, may break due to its limited tolerance for rapid heating and cooling cycles. Borosilicate glass, more heat-resistant, was historically used in Pyrex and laboratory glassware. Nickel sulfide inclusions, tiny flaws in the glass, may also contribute to explosions, especially during high-heat events like oven cleaning.
Meshulam assures that ovens’ self-cleaning features are generally safe, with microscopic flaws likely causing explosions when the oven is not in use. What makes this alarming is that the door can shatter long after the initial damage occurs.
Prevention Tips:
While some damage may occur during production, shipping, or installation, homeowners can take measures to prevent damage at home. Avoid aggressive cleaning techniques and opt for soft sponges and brushes. Refrain from placing dishes or trays on the oven door while removing food, and avoid slamming or kicking the door closed. Ensure trays and racks are correctly positioned, refrain from using the door to push racks back, and ensure dishes inside the oven do not touch the door. Additionally, avoid hanging wet towels on the handle, as exposing the glass to varying temperatures can weaken it over time.
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