I’m a bit worried about some frayed hairy/stringy material around my heated towel rail in the bathroom, sticking out of the pipe joints. It is white, so doesn’t look like hemp to me, and I’m wondering if it could be some kind of asbestos product used to seal the pipes. Any advice would be appreciated! 
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1Any idea how old the towel rail is? – manassehkatz-Moving 2 Codidact Nov 28 '19 at 15:55
That looks like a synthetic packing material. I have not seen asbestos it that form.
This looks like a thread sealing cord. It should be completely harmless. I believe it is made of PTFE string mostly.
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Hello, and welcome to Home Improvement. Thanks for the answer; keep 'em coming. And, you should probably take our tour so you'll know how best to contribute here. – Daniel Griscom Nov 28 '19 at 16:32
