Excellent! I'm blessed with access to solvents as I'm a chemist by trade.... :)
On Wed, Jan 6, 2021 at 5:16 PM Yohan Park <[email protected]> wrote: > IPA (which I was referring to as alcohol): nope > Dichloromethane: I've got quite a bunch of chemicals lying around but > unfortunately not that > Paint thinner: Yes! I let it sit in a test tube with Naphtha for a while > and everything rubs right off! > Thanks. > > On Wednesday, January 6, 2021 at 1:20:51 AM UTC+1 Pramanicin wrote: > >> I'd try soaking them in either IPA (no, not the >> beer...)...isopropylalcohol (unless you're referring to that when you say >> alcohol above)....or, dichloromethane (if you can get hold of it), or paint >> thinner (mineral spirits). Or hot soapy water may work. I used hot soapy >> water on some old RFTZ568 tubes many many years ago to remove the red >> lacquer on the tubes and it worked remarkably well.... >> >> On Tue, Jan 5, 2021 at 4:16 PM Yohan Park <[email protected]> wrote: >> >>> >>> I've received a few boxes with TH4B tubes which I think look quite nice >>> as coluns. >>> However, since these are not meant to be used as neon tubes there's >>> printing on them which I have to remove. >>> I've tried putting the bulb in the usual suspects like alcohol (97%), >>> Acetone and sticker remover GooGone and WD40) but all to no avail. >>> There's a layer of lacquer protecting the printing which I can scratch >>> off with my finger nail but this is quite tedious and I would like to be >>> able to process many bulbs at one. >>> Does anyone know how this can be easily removed? >>> Thanks in advance. >>> [image: TH4B_1.jpg][image: TH4B_2.jpg][image: TH4B_3.jpg][image: >>> TH4B_4.jpg] >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web, visit >>> https://groups.google.com/d/msgid/neonixie-l/d8beacd7-676a-447b-abea-e618bcc14566n%40googlegroups.com >>> <https://groups.google.com/d/msgid/neonixie-l/d8beacd7-676a-447b-abea-e618bcc14566n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/d0e24738-9833-4015-9d74-72c45cc01d21n%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/d0e24738-9833-4015-9d74-72c45cc01d21n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHK9EW4fGVb6caDGFK_OMM7sReXAvTVC6Tbnn5hAcpHPwQ%40mail.gmail.com.
