The conventional cooktop is made of porcelain enamel which is very durable. Hot pans can be set on it. Cold items or liquids should not be put on it when it is hot, though newer coatings are thinner and less likely to crack from thermal shock. Spills should be wiped up at once, taking care to avoid burns from heated burners.
The sides and front may be porcelain enamel, but are likely today to be synthetic enamel. They are more easily scratched, and may be damaged by household chemicals. Acids (as milk, tomatoes, vinegar) can damage the surface.
This article was written by Anne Field, Extension Specialist, Emeritus.
MSU 2003
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