Re: [GBW] Black foil issues

[mark andersson <markandersson@xxxxxxxxxxx>]

Hi Julie!

Have you considered using carbon instead?  It certainly doesn't get as black
as a good black foil, but might do the trick with enough passes.

Mark


On 7/31/08 12:55, "Julie Sullivan" <julie3@xxxxxxxxxxx> wrote:

> Thanks Priscilla! My foil was purchased this year. But, obviously one
> can't know when it rolled off the assembly line at its factory.
> 
> I've pretty much done all that you've mentioned. I've been at this
> for a few weeks now, only getting the new copper die yesterday which
> I thought might do the trick. When it didn't I posted my woes to the
> GBW list to get input from the very best bookbinding minds.
> 
> I worked through half of a good leather skin (what I intended to use
> for the project) trying to get it right and then moved to testing
> every brown 23 leather scrap I have. (The image on leather is in a
> small frame on the front of the book and not a stamping on the actual
> leather of the book cover.)
> 
> Having tested different foils on leather, tested different temps,
> dwell time, pressure . . . now even different types of metal for the
> die, I'm 99% convinced the problem is this particular roll of black
> foil for whatever reason or reasons; it's just not the right choice
> for the project.
> 
> Julie
> 
> 
> 
> On Jul 31, 2008, at 1:46 PM, Priscilla Spitler wrote:
> 
>> From my experience, as Aaron mentioned, matte white foil is the
>> most difficult to stamp for solid areas. Second is black foil. It
>> can be pretty finicky.
>> 
>> As Aaron also mentioned it could be that that particular foil does
>> not work on your leather surface.
>> 
>> When doing set ups I work with a reject or scrap of the leather on
>> the same board or card thickness I plan to stamp on. I adjust the
>> temp or bed of the press as needed (for pressure), or do make-ready
>> in areas that need it (building up areas on a set up board or piece
>> of plexi that I can remove to add stops for registration), and I
>> experiment with dwell time.
>> 
>> If the foil of choice does not work well by itself, I will try
>> using another foil close in color or texture to make my first
>> impression as a base or barrier. Actually this is a second
>> impression, I blind stamp first to even out the leather surface for
>> smooth stamping. If I get a good impression with the base foil,
>> then I stamp over it with the colored foil I wish to use.
>> 
>> Generally I find that black foil works best with lower temps.
>> Perhaps lower temp and more dwell time. However, when a foil does
>> not release at all as you have mentioned, it usually means it is
>> not hot enough, that or simply not suitable for the surface you are
>> stamping.
>> 
>> Lastly, I have been told over the years that some black foils have
>> a shelf life. Have others found this to be true?
>> 
>> Good luck, Julie,
>> 
>> Priscilla Spitler
>> 
>> 
>> On Jul 31, 2008, at 8:43 AM, Julie Sullivan wrote:
>> 
>>> Hello All -
>>> 
>>> I'm having trouble getting a good impression using black foil
>>> purchased from Talas. Aaron, please chime in if you have
>>> suggestions.:-)
>>> 
>>> I'm using a custom copper die obtained from Owosso. Previously I
>>> had a magnesium die with the same image and I thought it might be
>>> the die and so ordered the copper version. The die image does have
>>> some intricate detailing, but I still have problems even where the
>>> image is not intricate.
>>> 
>>> I'm stamping on Harmatan leather, which under all other
>>> circumstances is a beauty to stamp on, using a Kwikprint model 86.
>>> 
>>> Consistently, the black foil simply doesn't stick to the leather.
>>> I've even tried applying glare on the image area, which is not
>>> needed with gold or silver foil. Testing with gold foil yields
>>> expected results, so I've narrowed the issue to be the foil. I've
>>> tried temps of 250 to 300 to no avail. Also, played with dwell
>>> times and pressure.
>>> 
>>> Thoughts, suggestions?
>>> 
>>> Julie Sullivan
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> GBW: The email list for GBW member communications
> 
> GBW Standards - October 16-18, 2008
> Toronto, Ontario
> More info at http://palimpsest.stanford.edu/byorg/gbw/standards.shtml
> 
> The GBW website is supported and maintained by
> Conservation OnLine http://palimpsest.stanford.edu/byorg/gbw
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The GBW website is supported and maintained by
Conservation OnLine http://palimpsest.stanford.edu/byorg/gbw

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