1-4 of 4 Answers
Good question. The film does not form if you stir the coffee, but I would say about an hour?? I did not time it.
Sorry, there was a problem. Please try again later.Wife hasn't noticed it having a film like when it would cool.
Sorry, there was a problem. Please try again later.I do not get a film using Coffee-mate powdered creamer but if I hold a cup for more than an hour it will start getting a fine line ring on the inside of the cup that I need to make sure to clean before putting away so it doesn't require extra scrubbing.
Sorry, there was a problem. Please try again later.I have used my cup for over an hour and it never had a film.
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