[Alt-photo] Re: transparent film density at 365 nm

[Sandy King]

Are you measuring density emulsion side up or emulsion side down. With high ink density the orientation can make quite a difference in reading. 

Sandy




On Jan 4, 2014, at 3:54 PM, Erich Camerling wrote:

> Hi all
> 
> I 've sent  tecco and revolution transfer film. And even if the tecco has the lower uv density , it doesn't absorb ink as I would .
> I get a max of 2.0 density on this film but get 4.0 density on the 2 other film ( revolution transfer), and they are dry directly out of the printer.
> 
> Chris, thank you very much for your your addition.I only measured OD.
> 
> 2014/1/3 Erich Camerling <e.camerling at tiscali.nl>
> 
> Dear members,
> At 4-nov-2013 I put data about optical densities on this site.
> Recently I noticed that these data were not correct because I made
> a mistake during the density measurement  (the UV densitometer
> worked correct ! )
> For that reason I will give you the correct data:
> OD
> Colorgate CG Sceenfilm (from 2013) 0,26        (www.colorgate.com)
> Permajet Digital transfer film 165 µ 0,24       ( www.permajet.com)
> Agfa Copyjet 0,22
> Tecco screenfilm basic plus transparant 135 µ         0,17
> (www.graphic-reseau.com/photo)>
> Revolution premium screenfilm 0,27       (www.revolutiontransfers.co.uk)
> Revolution  HD screenfilm 0,60       (                "        "         "
> 
> All these samples I received from European companies .
> I asked other users to send me samples from Pictorico OHP , premium OHP
> and OHP ultra.
> Nobody gave a reaction (not interested, Pictorico users ??? ) except one
> helpful member.
> (Thank you very much Chris)
> 
> Erich Camerling
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