[Tig] Wetgate: alcohol vs. perc

Rob Lingelbach rob
Mon Jan 10 14:00:48 GMT 2005


On 2005-01-10 at 08:52, john.pytlak at kodak.com (john.pytlak at kodak.com) wrote:

> printing is the Kodak paper "Printing Motion-Picture Films Immersed in a 
> Liquid Part III: Evaluation of Liquids" by Delwiche, Clifford, and Weller, 
> published in the October 1958 SMPTE Journal, Volume 67, pages 678-686.

i think those papers are availble on CD but SMPTE wants a lot of dough
for them.

> Triacetate film base has a refractive index of 1.478, and the solvent 
> chosen should ideally be within about 0.02 of this index for optimum 
> scratch-hiding. 

thanks John does anyone know what the refractive index of perc is?

Rob
Rob Lingelbach   
http://www.colorist.org






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