Scotch-70 is $17.50 a roll on Amazon - https://www.amazon.com/Scotch-70-Self-Fusing-Silicone-Electrical/dp/B0029Z5RSY
On Thu, Jun 4, 2020 at 3:36 AM Edward R Cole <[email protected]> wrote: > My two cents worth: > > Professionally, I used a layer of Scotch-70 self-fusing tape covered > by two layers of Scoth-33+ black electric tape. This was on coax > cable connectors on small vessels that were in salt-water > exposure. Removing 5-years afterward, connectors were still > bright,dry, and looking like new. > > Scotch-70 is expensive (I paid $30 per roll over ten years ago for > it). But when you got guys on board a 26-foot boat in the North > Pacific with very high seas (like 30-foot) you want their Marine Radio to > work. > > At home, I use heat shrink with two layers of Scotch-33+ fairly > reliably. If things are too close to wrap with tape then a layer of > Scotch-Kote seals heat shrink, thoroughly. > > I don't use sticky, messy stuff like Coax Seal. Scotch-70 molds into > a seamless covering and slits easily with a razor knife. > > Some large coax connectors are supplied with heat shrink that has a > melted inner "goo" which is very good sealant. I've found removal is > not messy so apparently the "goo" cures in some manner. Pretty sure > you can buy it at commercial electrical suppliers (but probably in > 4-foot chunks which will cost you). I buy my ordinary heat shrink > and tywraps (Thomas & Betts) from a local commercial electrical supply > house. > > When temperatures dip to -30F the cheap stuff gets brittle and > breaks. That's not when I want to climb a tower. > > 73, Ed - KL7UW > http://www.kl7uw.com > Dubus-NA Business mail: > [email protected] > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > -- --... ...-- Doug ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
