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John Kuthe wrote:
What *I* want to know is: OK, if Teflon plastic, AKA polytetrafluoroethylene, is a "...is a white solid at room temperature..." (much like many other polmerized ethylenes!) as is said he http://en.wikipedia.org/wiki/Polytetrafluoroethylene then what's that dark brownish coating on cookware made of? Not JUST Teflon, I'm sure!! The above page says nothing about cookware coating, or how they take a white plastic and make it into that brownish coating. I'm curious! I can totally understand Teflon's low low frictional coefficient, what with only fluorine atoms on it's molecular outside. Fluorine is THE most electronegative atom, I believe, resulting in extremely low Van Der Waal forces which cause friction. So low in fact that Teflon is the only substance a gecko lizard can't stick to! Someone tell Geico insurance, quick! ;-) LOL, great post. "degrades above 260°C (500°F)," hmmm. Teflon frying pans must have some coloring agent because a white surface would get dirty quickly. I have a Creuset pot (enamel inside & out) with blue exterior and off-white interior, now stained halfway up from cooking black beans. While we're on frying pans -- I bought a new one at REI this year, recommended by Backpacker magazine editors. Don't know if the coating will last any longer than before, but it's a nice utensil. Mainly, the folding handle shouldn't collapse when you've just got the chicken cooked and onto the plate -- oops, into the sand. |
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