Re: It Worked!

[Keith Taylor <taylordow@sprintmail.com>]

Jon,

That's great news and I'm glad everything's looking good. Over the  
years, I've subscribed, unsubscribed re-subscribed and lurked in the  
background and now it feels good to contribute something back to the  
list. A good way to start the week.

Keith.



On Mar 17, 2007, at 9:25 PM, Jon Lybrook wrote:

> Regarding KM73s and polymer photogravure:  Keith's method of drying  
> the transparency for 20-30 minutes on low heat,followed by dusting  
> both it and the plate with baby powder, the doing 3 minute drawdown  
> prior to exposing the image prevented the patches from showing up.   
> Tones were smooth and perfectly gradated.  This is not trivial to  
> me.  This problem has plagued me since about 2004.  When and how  
> did you decide to dry your OHP transparencies in a plate drier for  
> that long, Keith?  Whatever the reason, I'm ecstatic!
>
> Likewise, Keith's method of drying the polymer plate for 5-10  
> minutes under the heat of a hairdryer after washout and before post- 
> exposure got rid of the problems I have been having with  
> scratches.  I even used tarlatan that had crusty ink on it from  
> over a year ago, vigorously scrubbing the plate trying to mar it.   
> It remained tough as nails.
> Who'd have thought we'd need to dry ANYTHING in Colorado, but  
> that's clearly the solution.  I stopped using the hair drier after  
> washout when an instructor in the process told me it was  
> unnecessary.  Clearly he was quite wrong and heat is critical to  
> the curing of the plate and that post-exposure is only part of it.   
> When I think of all the unnecessary hours of bulb use I wasted on  
> my Olec unit trying to mitigate the problem of scratches, I cringe.
> Moving ahead, this fills in two serious, long-standing, quality  
> issues I've had using the KM73s, in spite of all their advantages.   
> So much advice from so many people it's difficult to know exactly  
> how I wound up doing what I have been to process plates, but my on- 
> line procedure is due for a critical overhaul.  I'm so excited.  I  
> can use tarlatan again!  Smooth tones again without worry!  That's  
> not the half of it.
> I'll let you know when my procedure has been revised and will ask  
> for comments and feedback at that time.  Keith I'm so very grateful  
> you can not imagine.  Send me your mailing address off-line.  I  
> want to send some goodies your way as a thank you.  I wish it could  
> be a case of KM73s, but after I make my first million dollars  
> making intaglio plates and prints, expect a delivery of that too!
>
> Thank you all so much for engaging in this discussion.
> Best wishes,
> Jon