What's In "High Temperature Silicone" ?

Joined
Mar 30, 2015
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Lake Havasu City, Arizona
My wife bought those "high temperature" silicone strips that go alongside the edges of our stove, to keep crap from falling in between the stove and countertop.

Today she bought a basket that's made out of the same stuff, that goes in the air fryer, so crap doesn't go everywhere, and makes it easier to clean. Does anyone know what makes this stuff be able to withstand 400+F temperatures?

It looks and feels like the soft rubber that windshield wipers are made form. They also make those gas stove surface covers out of it, that go practically right up to the burner, to protect the stovetop from boil over slop and drips.

It's amazing how much heat this stuff can withstand. You would guess it would turn into melted goo, by getting it that hot. But it holds up beautifully.
 
The stuff is great. Nothing sticks to the spatulas and they clean easy. You can leave it in the pan and it will not melt. Best stuff made. Probably find out in a few years that it is killing us...

From the interwebs:
“Why Is Silicone A Safe Choice? While not a “100% natural” material like rubber, food-grade silicone is a non-toxic polymer mostly made from silica (sand). It can withstand heating and freezing without leaching or off-gassing, hazardous chemicals – unlike plastics, which contaminate food in these environments.Jun 18, 2015”
 
What is amazing is how soft and flexible it is, and still remains very heat resistant. I do know that people who work with Pewter use it to make molds out of. But it casts anywhere from 340F to 440F depending on the alloy. Substantially less than lead.
 
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