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Hello from london

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Tom Hutton

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Joined: Thu Mar 21, 2013 2:07 pm





Post Wed Apr 03, 2013 1:50 pm

Hello from london

Hello All,

New member from a sign company in North London, although we offer a variety of sign services (as you do to earn a living..!!), personally I specialise in chemical etching..

Looking forward to getting involved in some convo in the near future..

Tom
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NeilRoss

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Post Wed Apr 03, 2013 2:53 pm

Hi Tom - welcome to UKSB :D

I'm interested in chemical etching as well but haven't done much of it - just messing about.
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Tom Hutton

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Joined: Thu Mar 21, 2013 2:07 pm





Post Wed Apr 03, 2013 3:39 pm

Hello Neil,

A few different ways to do it, best results for me is the dry film photoresist method.. the others have their limitations on detail, depth of etch & quality... IMO

:)
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NeilRoss

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Post Wed Apr 03, 2013 4:29 pm

Tom Hutton wrote:Hello Neil,

A few different ways to do it, best results for me is the dry film photoresist method.. the others have their limitations on detail, depth of etch & quality... IMO

:)

I've tried the print n peel and the spray on stuff. Both worked fairly well for me but timing seems to be critical and with the pnp I've had areas that didn't stick too well. The spray on stuff began to break up after a while in the bath - I think I didn't bake it long enough! So many variables.

I do actually have some dry film photoresist here but haven't got arround to using it yet. Is it very sensitive to normal levels of UV (daylight?) or do I need a special bulb. I've read so much about this and folk seem to have different experiences/advice.

Certainly an interesting craft.

Neil
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Tom Hutton

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Joined: Thu Mar 21, 2013 2:07 pm





Post Wed Apr 03, 2013 5:18 pm

I've tried the print n peel and the spray on stuff. Both worked fairly well for me but timing seems to be critical and with the pnp I've had areas that didn't stick too well. The spray on stuff began to break up after a while in the bath - I think I didn't bake it long enough! So many variables.

I do actually have some dry film photoresist here but haven't got arround to using it yet. Is it very sensitive to normal levels of UV (daylight?) or do I need a special bulb. I've read so much about this and folk seem to have different experiences/advice.


Never tried the print and peel or spray on and I’ve never heard of them to achieve any great depths or quality before breaking down especially in a “bubble” style etching bath.. You’re right to many variables which unfortunately turn it into a science..!

With the dry film, it’s very sensitive to light.. To run this system properly you need quite a bit of kit and space: dark room; exposure unit with a UV Bulb etc etc.. I’ve never had any issues running this system really, only when people think they know better and try and cut corners..!!


:D
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Robert Lambie

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Post Wed Apr 03, 2013 9:13 pm

welcome to the boards Tom, great you have you here mate.
please also consider loading your profile picture. makes all the difference...
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John O'Sullivan

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Post Thu Apr 04, 2013 1:07 am

hi tom ,welcome :D
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Duncan Wilkie

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Post Thu Apr 04, 2013 6:05 am

Welcome Tom.
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John Harding

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Post Thu Apr 04, 2013 9:57 am

Hello Tom :D
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Post Thu Apr 04, 2013 1:23 pm

welcome to the boards tom :D
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Martin Pearson

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Post Fri Apr 05, 2013 3:38 pm

Welcome to the forum Tom, only thing I know about chemical etching is that it can be a health & safety nightmare :lol1: :lol1:
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Neil Davey

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Post Sun Apr 07, 2013 7:05 pm

Hi Tom, welcome to the boards.
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Tom Hutton

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Joined: Thu Mar 21, 2013 2:07 pm





Post Mon Apr 08, 2013 5:33 pm

Martin wrote:Welcome to the forum Tom, only thing I know about chemical etching is that it can be a health & safety nightmare :lol1: :lol1:


Thanks and yes it can be if you don't do it right.

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