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Re: weird Sharpie residue

Christopher Erickson All Messages By This Member #3941 开云体育 Agreed.? If the marker isn't coming off then the mirror polishing isn't finished. ? ? Christopher Erickson Consulting Engineer Summit Kinetics Waikoloa, HI 96738 www.summitkinetics.com ? toggle quoted message Show quoted text From: VacuumX@... [mailto:VacuumX@...] Sent: Monday, February 23, 2015 7:55 AM To: VacuumX@... Subject: Re: [VacuumX] weird Sharpie residue The only time Sharpie marker dont come off a mirror I am working on is when the mirror is not fully polished out.? Even a mirror that looks polished can still have quite a rough surface that traps dye or lets it get under the top layer of glass.? I have put on squiggle lines that took hours of polishing to fully remove because the dye got under the top layer of glass.? Till that top layer is polished off the marks remained. ? I would be inclined to polish the surface and remove the marks. ? Can you take a pic or two of the inside of your chamber so we can see what "classic vac" looks like ??? Drew in sunny Florida ?? On Mon, Feb 23, 2015 at 12:32 PM, Guy Brandenburg gfbrandenburg@... [VacuumX] <VacuumX@...> wrote: ? That's also weird. In the past I found that "permanent" magic ?markers or sharpies came off of glass -- Pyrex or float -- in soap and water or even with handling.not this time!! On Feb 23, 2015, at 12:15 PM, brian whatcott betwys1@... [VacuumX] <VacuumX@...> wrote: ? A person who uses a permanent marker on a surface, no matter how precious, ought to expect it to be permanent. Sadly. Brian Whatcott On 2/21/2015 10:43 AM, Guy Brandenburg gfbrandenburg@... [VacuumX] wrote: Interesting residue from a Sharpie or Magic Marker on a mirror that I cannot remove before aluminizing it! /snip/ Anybody have comments or ideas? ? Guy Brandenburg, Washington, DC

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#3941

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