I paid a high price for the yellow stuff, for fixing gas lines. This tape
is thicker than the white I use for water plumbing.
I have not "googled" this or done any other search. I am thinking that gas
plumbing, being subjected to lower pressure than water plumbing, is not
tightened as much. Hence the thicker tape. Conversely, one would not want
thick tape on threads that must be tightened strongly.
Gas attacks teflon tape, or at least an additive does. The yellow tape is
denser and resists the attack.
I have used yellow on water without any problems, just because it happened
to be what I found first.
Less than half the Teflon-coated pans sold in China meet the government's
quality standards, and poor-quality products would be more likely to release
harmful chemicals during cooking at high temperatures, the state-run New
Beijing Post reported.
There's a lot of unmarked/unlabeled teflon tape floating around from
What "government standards"? Anybody who cooks on Chinese teflon, or puts
his food on those beautifully painted Chinese pottery is trusting his health
to "the wind." Then, again, some folks go to drug pushers, the most
scrupulous people on earth, and injest, inject, snort, or inhale
god-knows-what from god-knows-where. And let's not forget the ubiquitous
spam what wants us to ingest sexual potency drugs...or ANYthing at all, from
The release of chemicals into my gas flame is of no concern to me. The
release of chemicals into the food I might eat concerns me.
Yeah, I've always seen red / pink designated for plumbing. Once you get to
thicker and/or denser, I thought the only difference was the type of or lack of
lubricant on the surface of the tape (which, AFAIK, is 100% teflon except for
the pigmentation). Doesn't seem like it'd really matter for petroleum use...a
few ppm of contaminants from the tape lube shouldn't be an issue.
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